| 摘要 |
PROBLEM TO BE SOLVED: To provide a system in which the working assets of a housing loan financing institution can be raised more without spending cost and to provide its method. SOLUTION: Personal information for specifying a housing loan user and information about the housing loan of the user are stored, the repayment interest rate of the housing loan is decided in accordance with the situation of salary deposit to the user or the like, and a repayment amount calculated by using the interest rate is deducted from an account belonging to the user. |
