| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an electronic credit management device 20 which can perform efficiently a benefit arrangement between involved persons of the electronic credit concerned when changing a redemption date of the electronic credit concerned to a date of payment, when a due date of the payment differs from the redemption date of the electronic credit. <P>SOLUTION: An electronic credit management device 20 registers beforehand a range which the user concerned can change the redemption date in a debtor's electronic credit for every user, and a redemption date changing condition which shows an interest rate which the user concerned should receive when the redemption date is changed. When a payment information which contains a payment source and a payment date from the user is received, it determines whether the redemption date of the electronic credit concerned can be changed to the date of the payment, using the redemption date changing condition of the debtor of the electronic credit concerned in an electronic credit where the payment source concerned is a creditor. If it can be changed, the information for identifying the electronic credit concerned and an amount of interest to be paid to the creditor if the redemption date is changed to the date of payment are presented to the user. <P>COPYRIGHT: (C)2009,JPO&INPIT |
