Debt management device, debt management method, and debt management program

Abstract

To provide a residual debt management device, a residual debt management method, and a residual debt management program which can manage residual debt of bill receivables for individual serial numbers of machines which have been installed once.SOLUTION: The residual debt management device comprises a storage unit and a control unit. The storage unit comprises: a sales database which stores sales data set by associating sale numbers and sales amounts of machines with each other; and a production number database which stores production number data set by associating the sale numbers and production numbers of components constituting the machines with each other. The control unit comprises: a payment acquisition unit which acquires payment data set by associating the sale numbers and amounts of received money with each other; and a residual debt inquiry unit which displays the state of residual debts for the individual machines corresponding to the production numbers on the basis of the sales data, the production number data, and the payment data.SELECTED DRAWING: Figure 3

Description

[Technical Field]

[0001] The present invention relates to a debt management device, a debt management method, and a debt management program. [Background technology]

[0002] Patent Document 1 discloses a configuration in which bills payable are stored in a database, bills are managed, and if there are any outstanding balances for the bills payable, the outstanding balances are displayed in a graph. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2003-316935 Summary of the Invention [Problem to be solved by the invention]

[0004] However, the invention described in Patent Document 1 above has a problem in that it is not possible to manage the outstanding balance of bills receivable for each machine serial number.

[0005] The present invention has been made in consideration of the above-mentioned problems, and aims to provide a debt management device, a debt management method, and a debt management program that can perform debt management of bills receivable for each machine's serial number for a machine that has been installed once. [Means for solving the problem]

[0006] In order to solve the above-mentioned problems and achieve the objectives, the outstanding debt management device of the present invention is a outstanding debt management device equipped with a memory unit and a control unit, wherein the memory unit comprises a sales memory means for storing sales data set by linking the sales number of a machine and the sales amount, and a serial number memory means for storing serial number data set by linking the sales number and the serial number of the parts that make up the machine, and the control unit comprises a deposit acquisition means for acquiring deposit data set by linking the sales number and the amount received, and a outstanding debt inquiry means for displaying the outstanding debt status for each machine corresponding to the serial number based on the sales data, the serial number data, and the deposit data.

[0007] In addition, in the outstanding debt management device of the present invention, the deposit data is further set in association with the deposit method, and the outstanding debt inquiry means, when the deposit method is a bill receivable, displays the outstanding debt status for each machine corresponding to the serial number as remaining debt based on the sales data, the serial number data, and the deposit data, if the payment due date of the bill receivable corresponding to the deposit data has not yet arrived.

[0008] In addition, in the outstanding debt management device of the present invention, the deposit data is further set in association with a face number, and the control unit is further characterized by having a bill acquisition means for acquiring bill receivable data for the bill receivable, which is set in association with the face number, the payment due date, and the amount received, based on the deposit data in which the deposit method is the bill receivable.

[0009] In addition, in the outstanding debt management device of the present invention, the bill acquisition means is further characterized in that, when the bill jump of the bill receivable is approved, it executes a reassembly process for the bill receivable data and acquires reassembly bill data that sets a reassembly face number different from the face number of the bill receivable, a payment due date after reassembly, and the receivable amount.

[0010] Furthermore, in the outstanding debt management device of the present invention, the outstanding debt inquiry means is further characterized in that, when the deposit method is cash or bank transfer, based on the sales data, the serial number data, and the deposit data, when the cash or bank transfer deposit is completed, the outstanding debt status for each machine corresponding to the serial number is displayed as no outstanding debt.

[0011] Furthermore, in the outstanding debt management device of the present invention, the deposit acquisition means further acquires installment contract data for the machine's own installment payments, and the outstanding debt inquiry means further displays the outstanding debt status for each machine corresponding to the serial number as no outstanding debt when the in-house installment contract for the machine is completed based on the installment contract data, the sales data, the serial number data, and the deposit data.

[0012] Furthermore, in the outstanding debt management device of the present invention, the deposit acquisition means further acquires lease contract data for the machine, and the outstanding debt inquiry means further displays the outstanding debt status for each machine corresponding to the serial number as no outstanding debt when the lease contract for the machine is completed based on the lease contract data, the sales data, the serial number data, and the deposit data.

[0013] In addition, in the outstanding debt management device of the present invention, the outstanding debt inquiry means displays an outstanding debt inquiry screen on which the serial number can be set, and when the serial number is set on the outstanding debt inquiry screen, displays the outstanding debt status for each machine corresponding to the serial number on the outstanding debt inquiry screen based on the sales data, the serial number data, and the deposit data.

[0014] In addition, the remaining debt management method of the present invention is a remaining debt management method to be executed by a remaining debt management device equipped with a memory unit and a control unit, wherein the memory unit comprises a sales memory means for storing sales data set by linking the sales number of a machine and the sales amount, and a serial number memory means for storing serial number data set by linking the sales number and the serial number of the parts that make up the machine, and is characterized by including a deposit acquisition step executed by the control unit for acquiring deposit data set by linking the sales number and the amount received, and a remaining debt inquiry step for displaying the remaining debt status for each machine corresponding to the serial number based on the sales data, the serial number data, and the deposit data.

[0015] In addition, the outstanding debt management program of the present invention is a outstanding debt management program to be executed by an outstanding debt management device having a memory unit and a control unit, wherein the memory unit comprises a sales memory means for storing sales data set by linking the machine's sales number and sales amount, and a serial number memory means for storing serial number data set by linking the sales number and the serial number of the parts that make up the machine, and is characterized in that the control unit executes a deposit acquisition step for acquiring deposit data set by linking the sales number and the received amount, and a debt inquiry step for displaying the outstanding debt status for each machine corresponding to the serial number based on the sales data, the serial number data, and the deposit data. [Effects of the Invention]

[0016] According to the present invention, the manufacturer can confirm whether there is any outstanding debt for the serial number of the machine for which an application is received, and can approve the transfer or resale on the condition that there is no outstanding debt. Furthermore, according to the present invention, when a bill jump is performed, the payment due date of the original bill can be switched to the payment due date of the new bill, and management can be performed accordingly. [Brief explanation of the drawings]

[0017] [Figure 1]FIG. 1 is a diagram showing an example of the outstanding debt management process in this embodiment. [Figure 2] FIG. 2 is a diagram showing an example of the outstanding debt management process in this embodiment. [Figure 3] FIG. 3 is a block diagram showing an example of the configuration of the outstanding debt management device in this embodiment. [Figure 4] FIG. 4 is a flowchart showing an example of the process of the debt management device in this embodiment. [Figure 5] FIG. 5 is a diagram showing an example of the outstanding debt management process in this embodiment. [Figure 6] FIG. 6 is a diagram showing an example of the remaining debt inquiry content in this embodiment. [Figure 7] FIG. 7 is a diagram showing an example of the remaining debt inquiry screen in this embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0018] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to this embodiment.

[0019] [1. Overview] First, an overview of the present invention will be described with reference to Figures 1 and 2. Figures 1 and 2 are diagrams showing an example of outstanding debt management processing in this embodiment.

[0020] Traditionally, in order to move or resell gaming machines or other machines that have already been installed, the store must apply for permission to move used machines to the manufacturer based on the machine's serial number and obtain permission from the manufacturer.

[0021] For this reason, manufacturers have traditionally checked whether there is any outstanding debt for the machine serial number they receive, and generally only allow the machine to be moved or resold if there is no outstanding debt. The determination of whether there is an outstanding debt is based on the payment method. Here, when the payment method is cash or bank transfer, the remaining debt is deemed to be extinguished once the payment is complete. When the payment method is in-house installment payments, the remaining debt is deemed to be extinguished once the installment payment contract is completed. When the payment method is leasing, the remaining debt is deemed to be extinguished once the lease contract is completed. When the payment method is bills of exchange, the remaining debt is determined based on the status of the bills of exchange. If even a portion of the bills related to the machine have not yet reached their maturity date (have not yet been cashed), the remaining debt is deemed to be extinguished. If all bills related to the machine have been cashed, the remaining debt is deemed to be extinguished. In managing outstanding debts, if payment is received by bill for gaming machines etc. that have been sold, it is necessary to determine whether there are any outstanding debts taking into account the due date of the bill. Therefore, if a bill jump is made, it is necessary to be able to switch management from the due date of the original bill to the due date of the new bill, and it is also necessary to take into account the data of the bill jump.

[0022] Therefore, in this embodiment, a mechanism is provided for managing outstanding debts by the serial number of a machine such as a gaming machine, that is, by the manufacturing number of the main parts that make up the machine.

[0023] For example, as shown in Figure 1, in this embodiment, in the outstanding debt inquiry process, if collection has been completed by a method other than bills, it is determined that there are no outstanding debts at this point, and in the case of bills, the bill's details data is retained, and the collection status and cash collection prospects of the outstanding debt that can be confirmed at this point are determined based on the payment due date and collection status of the original bill receivable.

[0024] Also, as shown in Figure 2, in this embodiment, when a bill jump occurs, the bill to be jumped is regrouped as a regroup input process, the new bill data is registered as a bill receivable input process, the receivable bill history inquiry process adds the regrouped bill to the reference target and makes it possible to check the bill image, and the remaining balance inquiry process determines that there is no remaining balance at the time of settlement completion.

[0025] [2. Configuration] An example of the configuration of the debt management device 100 according to this embodiment will be described with reference to Fig. 3. Fig. 3 is a block diagram showing an example of the configuration of the debt management device 100 according to this embodiment.

[0026] As shown in Figure 3, the outstanding debt management device 100 is a commercially available desktop personal computer. Note that the outstanding debt management device 100 is not limited to a stationary information processing device such as a desktop personal computer, but may also be a portable information processing device such as a commercially available notebook personal computer, PDA (Personal Digital Assistant), smartphone, or tablet personal computer.

[0027] The debt management device 100 comprises a control unit 102, a communication interface unit 104, a memory unit 106, and an input / output interface unit 108. Each unit of the debt management device 100 is connected to each other so that they can communicate with each other via any communication path.

[0028] The communication interface unit 104 communicably connects the debt management device 100 to the network 300 via a communication device such as a router and a wired or wireless communication line such as a dedicated line. The communication interface unit 104 has the function of communicating data with other devices via a communication line. Here, the network 300 has the function of connecting the debt management device 100 and the server 200 so that they can communicate with each other, and is, for example, the Internet or a LAN (Local Area Network).

[0029] An input device 112 and an output device 114 are connected to the input / output interface unit 108. The output device 114 may be a monitor (including a touch panel), a speaker, or a printer. The input device 112 may be a keyboard, a mouse, a microphone, or a monitor that cooperates with a mouse to achieve a pointing device function. In the following, the output device 114 may be referred to as the monitor 114 or the printer 114, and the input device 112 may be referred to as the keyboard 112 or the mouse 112.

[0030] The storage unit 106 stores various databases, tables, files, etc. The storage unit 106 stores computer programs that work in conjunction with the OS (Operating System) to issue commands to the CPU (Central Processing Unit) to perform various processes. The storage unit 106 may be, for example, a memory device such as RAM (Random Access Memory) or ROM (Read Only Memory), a fixed disk device such as a hard disk, a flexible disk, or an optical disk. The storage unit 106 includes a sales database 106a, a serial number database 106b, and a balance management database 106c.

[0031] The sales database 106a stores machine sales data. Here, the sales database 106a may store sales data that is set in association with the machine sales number and the sales amount.

[0032] The serial number database 106b stores serial number data of parts that constitute the machine. Here, the serial number database 106b may store serial number data that is set by linking the sales number and the serial numbers of the parts that constitute the machine.

[0033] The outstanding debt management database 106c stores the outstanding debt management data of the machine. Here, the outstanding debt management data may include deposit data, bill receivable data, refunded bill data, installment contract data, and lease contract data.

[0034] The control unit 102 is a CPU or the like that comprehensively controls the outstanding debt management device 100. The control unit 102 has an internal memory for storing control programs such as an OS, programs that define various processing procedures, required data, etc., and executes various information processing based on these stored programs. Functionally, the control unit 102 is equipped with a deposit acquisition unit 102a, a bill acquisition unit 102b, and an outstanding debt inquiry unit 102c.

[0035] The deposit acquisition unit 102a acquires deposit data. Here, the deposit acquisition unit 102a may acquire deposit data that is set by linking a sales number and a received amount. The deposit data may also be set by linking a deposit method. The deposit data may also be set by linking a voucher number. The deposit acquisition unit 102a may also acquire installment contract data for in-house installment payments for machines. The deposit acquisition unit 102a may also acquire machine lease contract data.

[0036] The bill acquisition unit 102b acquires bill data for bills. Here, the bill acquisition unit 102b may acquire bill receivable data for bills receivable, in which the face number, payment due date, and receivable amount are linked and set based on deposit data in which the deposit method is bills receivable. Furthermore, when a bill jump for a bill receivable is approved, the bill acquisition unit 102b may execute a bill receivable data reversal process and acquire returned bill data in which a returned face number different from the bill receivable face number, a post-reversal payment due date, and a receivable amount are set.

[0037] The balance inquiry unit 102c displays the remaining balance status of the machines. Here, the balance inquiry unit 102c may display the remaining balance status of each machine corresponding to the serial number based on sales data, serial number data, and deposit data. Furthermore, when the deposit method is a bill receivable, the balance inquiry unit 102c may display the remaining balance status of each machine corresponding to the serial number as "yes" based on the sales data, serial number data, and deposit data if the due date of the bill receivable corresponding to the deposit data has not yet arrived. Furthermore, when the deposit method is cash or bank transfer, the balance inquiry unit 102c may display the remaining balance status of each machine corresponding to the serial number as "no" based on the sales data, serial number data, and deposit data if the cash or bank transfer deposit has been completed. Furthermore, the balance inquiry unit 102c may display the remaining balance status of each machine corresponding to the serial number as "no" based on the installment contract data, sales data, serial number data, and deposit data if the in-house installment contract has been completed. Furthermore, the balance inquiry unit 102c may display the balance status of each machine corresponding to the serial number as "no balance" when the machine lease contract has been completed based on the lease contract data, sales data, serial number data, and deposit data. Furthermore, the balance inquiry unit 102c may display a balance inquiry screen on which a serial number can be set, and when a serial number is set on the balance inquiry screen, may display the balance status of each machine corresponding to the serial number on the balance inquiry screen based on the sales data, serial number data, and deposit data.

[0038] [3. Specific Examples] A specific example of this embodiment will be described with reference to FIGS.

[0039] [Debt Management Processing] An example of the outstanding debt management process in this embodiment will now be described with reference to Fig. 4. Fig. 4 is a flowchart showing an example of the process of the outstanding debt management device 100 in this embodiment.

[0040] As shown in FIG. 4, the deposit acquisition unit 102a acquires deposit data that is set by linking the sales number, deposit method, ticket number, and amount received (step SA-1).

[0041] Then, based on the deposit data in which the deposit method is a bill receivable, the bill acquisition unit 102b acquires bill receivable data in which the face number, payment due date, and receivable amount are linked (step SA-2).

[0042] Then, if the bill jump for the bill receivable is approved, the bill acquisition unit 102b executes a bill receivable data reversal process and acquires the bill receivable data that has a reversal face number different from the bill receivable face number, a post-reversal payment due date, and a receivable amount set (step SA-3).

[0043] Then, the outstanding balance inquiry unit 102c displays on the output device 114 a outstanding balance inquiry screen on which a serial number can be set, and when the user sets a serial number on the outstanding balance inquiry screen via the input device 112, it displays the outstanding balance status and bill status for each machine corresponding to the serial number on the outstanding balance inquiry screen based on the returned bill data, sales data, serial number data, and deposit data (step SA-4), and terminates the processing.

[0044] An example of the outstanding debt management process in this embodiment will now be described with reference to Fig. 5. Fig. 5 is a diagram showing an example of the outstanding debt management process in this embodiment.

[0045] As shown in Fig. 5, in this embodiment, bills receivable data showing the bill status history for each event is created based on sales data, serial number data, and deposit and deposit reconciliation data linked by sales numbers. Here, serial numbers 1 to 3 set in the serial number data in this embodiment are assigned to specific types of main parts that make up machines installed in the store (each number is unique), and the combination of serial numbers 1 to 3 for one machine makes it possible to identify and specify one machine.

[0046] An example of a balance inquiry in this embodiment will be described with reference to Fig. 6. Fig. 6 is a diagram showing an example of the contents of a balance inquiry in this embodiment.

[0047] As shown in FIG. 6, in this embodiment, the details of the outstanding balance status (cashing status in the case of bills) are acquired for each of the reference dates 1) to 4) specified by the user in the outstanding balance inquiry.

[0048] An example of the remaining debt inquiry screen in this embodiment will be described with reference to Fig. 7. Fig. 7 is a diagram showing an example of the remaining debt inquiry screen in this embodiment.

[0049] As shown in Figure 7, in the balance inquiry screen in this embodiment, inquiry items including the balance status and bill status are set on the balance inquiry screen based on the serial numbers 1 to 3, which are the items specified by the user (extraction item specification), and when the user presses the "F7: Payment Status" button on the balance inquiry screen, it becomes possible to check the payment status for the relevant machine details.

[0050] [4. Contribution to the United Nations-led Sustainable Development Goals (SDGs)] This embodiment can contribute to improving business efficiency and promoting appropriate management decisions by companies, thereby contributing to the achievement of SDGs Goals 8 and 9.

[0051] Furthermore, this embodiment can contribute to reducing waste and promoting paperless and electronic systems, thereby contributing to the achievement of SDGs Goals 12, 13, and 15.

[0052] Furthermore, this embodiment can contribute to strengthening control and governance, which can contribute to the achievement of Goal 16 of the SDGs.

[0053] 5. Other Embodiments The present invention may be implemented in various different embodiments other than those described above within the scope of the technical concept set forth in the claims.

[0054] For example, among the processes described in the embodiments, all or part of the processes described as being performed automatically can be performed manually, or all or part of the processes described as being performed manually can be performed automatically using known methods.

[0055] Furthermore, the processing procedures, control procedures, specific names, information including parameters such as registered data and search conditions for each process, screen examples, and database configurations shown in this specification and drawings can be changed as desired unless otherwise specified.

[0056] Furthermore, with regard to the outstanding debt management device 100, the components shown in the figures are functional concepts, and do not necessarily have to be physically configured as shown in the figures.

[0057] For example, all or any part of the processing functions of the debt management device 100, particularly the processing functions performed by the control unit 102, may be realized by a CPU and a program interpreted and executed by the CPU, or may be realized as hardware using wired logic. The program is recorded on a non-transitory computer-readable recording medium containing programmed instructions for causing the information processing device to execute the processing described in this embodiment, and is mechanically read by the debt management device 100 as needed. In other words, a computer program is recorded in a storage unit such as a ROM or HDD (Hard Disk Drive) to work with the OS to give instructions to the CPU and perform various processes. This computer program is executed by being loaded into RAM, and works with the CPU to form the control unit.

[0058] In addition, this computer program may be stored in an application program server connected to the debt management device 100 via any network, and all or part of it may be downloaded as needed.

[0059] Furthermore, the program for executing the processes described in this embodiment may be stored in a non-transitory computer-readable recording medium or configured as a program product. Here, the term "recording medium" includes any "portable physical medium" such as a memory card, a Universal Serial Bus (USB) memory, a Secure Digital (SD) card, a flexible disk, a magneto-optical disk, a ROM, an Erasable Programmable Read Only Memory (EPROM), an Electrically Erasable and Programmable Read Only Memory (EEPROM (registered trademark)), a Compact Disk Read Only Memory (CD-ROM), a Magneto-Optical disk (MO), a Digital Versatile Disk (DVD), and a Blu-ray (registered trademark) disc.

[0060] Furthermore, a "program" is a data processing method written in any language or description method, and does not matter whether it is in the form of source code or binary code. Note that a "program" is not necessarily limited to a single structure, but also includes a structure that is distributed as multiple modules or libraries, or a structure that achieves its function by cooperating with a separate program, such as an OS. Note that the specific configuration and reading procedure for reading a recording medium in each device shown in this embodiment, as well as the installation procedure after reading, can use well-known configurations and procedures.

[0061] The various databases stored in the memory unit 106 are storage means such as memory devices such as RAM and ROM, fixed disk devices such as hard disks, flexible disks, and optical disks, and store various programs, tables, databases, and web page files used for various processes and providing websites.

[0062] The outstanding debt management device 100 may be configured as an information processing device such as a known personal computer or workstation, or may be configured as an information processing device connected to any peripheral device. The outstanding debt management device 100 may also be realized by installing software (including programs or data, etc.) that causes the device to perform the processing described in this embodiment.

[0063] Furthermore, the specific form of distribution and integration of the devices is not limited to that shown in the drawings, and all or part of them can be configured by functionally or physically distributing and integrating them in any unit depending on various additions or functional loads. In other words, the above-described embodiments can be implemented in any combination, or embodiments can be implemented selectively. [Industrial Applicability]

[0064] The present invention is useful in industries such as the gaming machine industry, where it is necessary to manage the remaining balance of machines by serial number. [Explanation of symbols]

[0065] 100 Debt management device 102 Control section 102a Deposit Acquisition Section 102b Bill Acquisition Department 102c Outstanding Debt Inquiry Department 104 Communication interface unit 106 Storage section 106a Sales Database 106b serial number database 106c Outstanding Debt Management Database 108 Input / Output Interface Section 112 Input Device 114 Output Device 200 servers 300 Network

Claims

1. A machine manufacturer's outstanding debt management device comprising a memory unit and a control unit, The storage unit a sales storage means for storing sales data set by linking the sales number of the machine installed on the customer side with the sales amount; a serial number storage means for storing serial number data that is set by linking the sales number with the serial numbers of the parts that constitute the machine; Equipped with The control unit a payment acquisition means for acquiring payment data from the customer to the manufacturer, the data being linked to the sales number and the amount of payment received; a debt inquiry means for displaying a debt inquiry screen on which the serial number can be set, and when the serial number is set on the debt inquiry screen by the manufacturer, displaying the debt status of the customer with respect to the manufacturer for each machine corresponding to the serial number on the debt inquiry screen based on the sales data, the serial number data, and the deposit data; A debt management device comprising:

2. The deposit data is Furthermore, the deposit method is linked and set, The remaining debt inquiry means A debt management device as described in claim 1, characterized in that the payment method is a bill receivable and the outstanding debt inquiry screen on which the serial number can be set is displayed, and when the serial number is set on the outstanding debt inquiry screen by the manufacturer, if the payment due date of the bill receivable corresponding to the deposit data has not yet arrived based on the sales data, the serial number data, and the deposit data, the outstanding debt status for each machine corresponding to the serial number is displayed on the outstanding debt inquiry screen as remaining debt.

3. The deposit data is Furthermore, the ticket number is linked and set, The control unit a bill acquisition means for acquiring bill receivable data of the bill receivable, which is set by linking the face number, the payment due date, and the receivable amount, based on the deposit data in which the deposit method is the bill receivable; 3. The debt management device according to claim 2, further comprising:

4. The bill acquisition means Furthermore, when the bill jump of the bill receivable is approved, a reassembly process of the bill receivable data is executed, and reassembly bill data is obtained that sets a reassembly face number different from the face number of the bill receivable, a payment due date after reassembly, and the receivable amount, as described in the remaining debt management device of claim 3.

5. The remaining debt inquiry means The outstanding debt management device of claim 2 further displays a balance inquiry screen on which the deposit method is cash or bank transfer and the serial number can be set, and when the manufacturer sets the serial number on the balance inquiry screen, if the cash or bank transfer deposit is completed based on the sales data, the serial number data, and the deposit data, the outstanding debt status for each machine corresponding to the serial number is displayed as no outstanding debt.

6. The deposit acquisition means is Furthermore, acquire installment contract data for the machine's in-house installment payment, The remaining debt inquiry means The remaining debt management device of claim 2 further characterized in that, when the in-house installment contract is completed based on the installment contract data, the sales data, the serial number data, and the deposit data, the remaining debt status for each machine corresponding to the serial number is displayed as no remaining debt.

7. The deposit acquisition means is Furthermore, lease contract data for the machine is acquired, The remaining debt inquiry means The remaining debt management device described in claim 2 is further characterized in that, when the lease contract for the machine is completed based on the lease contract data, the sales data, the serial number data, and the payment data, the remaining debt status for each machine corresponding to the serial number is displayed as no remaining debt.

8. A method for managing outstanding debts to be executed by a machine manufacturer's outstanding debt management device, the method comprising: The storage unit a sales storage means for storing sales data set by linking the sales number of the machine installed on the customer side with the sales amount; a serial number storage means for storing serial number data that is set by linking the sales number with the serial numbers of the parts that constitute the machine; Equipped with Executed by the control unit, a payment acquisition step of acquiring payment data from the customer to the manufacturer, the data being linked to the sales number and the amount of payment received; a remaining debt inquiry step of displaying a remaining debt inquiry screen on which the serial number can be set, and when the serial number is set on the remaining debt inquiry screen by the manufacturer, displaying the remaining debt status of the customer with the manufacturer for each machine corresponding to the serial number on the remaining debt inquiry screen based on the sales data, the serial number data, and the deposit data; A method for managing outstanding debt, comprising:

9. A remaining debt management program to be executed by a remaining debt management device of a machine manufacturer, the remaining debt management program comprising a memory unit and a control unit, The storage unit a sales storage means for storing sales data set by linking the sales number of the machine installed on the customer side with the sales amount; a serial number storage means for storing serial number data that is set by linking the sales number with the serial numbers of the parts that constitute the machine; Equipped with In the control unit, a payment acquisition step of acquiring payment data from the customer to the manufacturer, the data being linked to the sales number and the amount of payment received; a remaining debt inquiry step of displaying a remaining debt inquiry screen on which the serial number can be set, and when the serial number is set on the remaining debt inquiry screen by the manufacturer, displaying the remaining debt status of the customer with the manufacturer for each machine corresponding to the serial number on the remaining debt inquiry screen based on the sales data, the serial number data, and the deposit data; A debt management program to implement this.

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