| 摘要 |
PROBLEM TO BE SOLVED: To speedily utilize data related to an inquiry from a user. SOLUTION: A customer data base 10 decides whether a code supplied from a purchaser together with information related to the purchaser of a product for specifying the product is right or not. When it is decided that the code is right, a call center data base 14 records the information related to the purchaser and when there is an inquiry from the purchaser, corresponding to the information related to the purchaser, the number of times of the inquiry and the contents of the inquiry are recorded at least.
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