| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To monopolize customers and avoid conflict by providing a commodity at a suitable price depending on a commodity purchaser. <P>SOLUTION: The commodity purchaser 100 makes a commodity purchase identification information acquisition part 101 acquire commodity purchase identification information for identifying himself/herself. A server device 102 including this sales price output device acquires the information related to purchaser-by-purchaser sales price of commodity based on the commodity purchase identification information in a purchaser-by-purchaser commodity sales price information acquisition part. The acquired information related to purchaser-by-purchaser sales price of commodity is stored in a personal price master or the like. When shopping is ended, and the payment of the commodity purchase is performed in a register device 104, a production amount is determined based on the information related to purchaser-by-purchaser sales price of commodity, and a discount amount is reported to the commodity purchaser 100, whereby the commodity purchaser can feel satisfaction with or surprise at the shopping. <P>COPYRIGHT: (C)2004,JPO</p> |
