| 摘要 |
PURPOSE: To easily notify the commodity purchaser of vendor name by displaying with preference the name of a vendor that shows the lowest retail price of commodity as the name of a low price vendor. CONSTITUTION: The vendor display device is provided with an input means 1, an updating means 2, a store means 3 and a display means 4. The means 1 inputs vendor names and retail prices of commodities, and the means 3 receives the input vendor names and retail prices via the means 2 and stores them making them correspond to respective commodities. The means 4 displays with preference the name of the vendor that shows the lowest retail price of commodity as the name of a low price vendor. Then the means 2 updates the name of the low price vendor stored in the means 3 to the name of the vendor that shows a new retail price when this new retail price inputted by the means 1 is lower than the lowest retail price. At the same time, the means 4 displays with preference the name of the updated low price vendor. |
