| 摘要 |
PURPOSE:To prevent an error of interest numbers from being caused even when number of times of revision of an interest rate is increased attended with liberalized interest rate of a floating deposit. CONSTITUTION:A job processing section 16 reference an interest rate table 19 based on deposit transaction information from a terminal equipment 15 to register an interest product number for each interest rate to an interest product number record to be chained to an account master record of a ledger database 12. An interest rate registration processing section 17 adds a new entry comprising a start date, an end data and an interest rate to an interest rate database 14 and reflects the content of the interest rate database 14 onto the interest rate table 19. An accounting date processing section 18 multiplies the interest product number of the interest product number record of each account with a corresponding interest rate of the interest rate table 19 respectively and obtains the total sum of the accounts to calculate an interest and the interest is depositted at the accounting data to update the residual amount of the account master record and the newest updating date. |
