| 摘要 |
PURPOSE:To surely execute sales registration processing based on a changed unit price. CONSTITUTION:Each terminal machine 10A to 10N is provided with a changed commodity file 13RF, a changed commodity discriminating means (11, 12), and a preferential processing control means (11, 12), and as for changed commodity data down-loaded from a host machine 20, it is set and stored in the changed commodity file 13RF other than a commodity file 13F, and the sales registration processing is executed by using the commodity data set and stored in this changed commodity file 13RF more preferentially than the commodity data set and stored in the commodity file 13F. |
