| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a customer management system capable of calculating and analyzing the contribution taking the spent expense into account. <P>SOLUTION: The customer management system has a storage means for accumulating and storing the purchase actual result data of a concerned customer in relation to customer identification information. A store controller 20 or a head quarter server 30 are connected through a line network. In the store controller 20 or the head quarter server 30, the total of gross profit sum of money calculated according to the purchase sum of money of the customer and the cost of the commodity is stored in relation to the customer identification information in the storage means, service expense other than the reduction of the purchasing price spent on the customer is input in relation to the customer identification information to be accumulated and stored. The total of the service expense is subtracted from the total of the gross profit sum of money to calculate the contribution sum of money. <P>COPYRIGHT: (C)2003,JPO |
