| 摘要 |
PROBLEM TO BE SOLVED: To confirm rough profit at an optional point of time and also to immediately estimate rough profit to a selling price that is newly set. SOLUTION: One or plural terminals 30 are connected to a computer 10 which configures a rough profit fundamental data storing means 11 which independently inputs POS data and this POS data, a rough profit data for single item unit producing means 12 which sequentially produces rough profit data of a single item unit from rough profit fundamental data of a single item, a rough profit data for period unit producing means 12e which calculates a final rough profit amount of a single item in a day unit on each open store day and accumulates it in a longer period unit and a rough profit data recording means 12f which records each rough profit. The terminal is provided with a display controlling means 33 which shows rough profit data in a single item unit or rough profit data in a period unit on a displaying part 32 at an optional point of time, a selling price setting rough profit simulating means 34 which shows the rough profit data in a signal item unit together with temporary selling price data by an input operation and a cost setting rough profit simulating means 35 which shows the rough profit data of a single item unit which is temporarily produced by an input operation together with temporary cost data. |
