| 摘要 |
PROBLEM TO BE SOLVED: To increase customer's profit such as the improvement of service ranks and the next term continuity of a service rank of in the preceding term by determining the service range, etc., by registration and other applications of a customer and performing personal and prescribed information service, price service, other privilege giving, etc., only for the registered customers. SOLUTION: When a customer is registered, a prescribed item is stored in a master computer every time a registration application is made. At the same time, this system determinee service ranks which are selected among prescribed service ranks that correspond to the total of service points which corresponds to service transaction and/or the total amount of commercial transactions in a prescribed period and are offered to a customer. Whenever the customer who registers performs service transaction and/or commercial transaction, the transaction amount is added and stored and if the transaction accumulated amount within the prescribed period corresponds to service rank improvement when the prescribed period passes, service that corresponds to the service rank is applied. |
