| 摘要 |
<P>PROBLEM TO BE SOLVED: To clarify the origin of liability of the change of a selling price from a unit price to a bargain unit price. <P>SOLUTION: A selling price change data tabulation part 25 extracts buying and selling history data matched with a bargain unit price stored in a bargain plan master file 22 corresponding to a merchandise code in the data from among buying and selling history data stored in an electronic journal file 23, and calculates a difference between the unit price stored in a single article master file 21 corresponding to a merchandise code in the buying and selling history data and a selling price in the buying and selling history data for every extracted buying and selling history data, and prepares a selling price change data tabulation table 24 for managing the difference calculated for every buying and selling history data by associating it with the bargain plan origin identification information of bargain data whose merchandise code and bargain unit price are matched with the merchandise code and selling price in the buying and selling history data corresponding to the difference among the bargain data stored in the bargain plan master file 22. <P>COPYRIGHT: (C)2007,JPO&INPIT |
