| 摘要 |
PROBLEM TO BE SOLVED: To display a screen changed according to data of each customer on an operator's personal computer in correspondence to the customer which called a call center. SOLUTION: Data on a customer's purchase career accumulated in a database server 12 is retrieved and edited according to ID input by the customer, and a customer classification, a customer rank, a discount rate, or the like is displayed on a personal computer 14.
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