| 摘要 |
PROBLEM TO BE SOLVED: To provide a commodity sales management method and its device that can easily manage commodity sales in real time without keeping a customer waiting for a long time at a register and that is extremely effective for introduction of a system for adjusting the price of a commodity that is first eaten. SOLUTION: In a rotary food and drink table in upper part of which a crescent chain 18 is provided, plural material plates 16 are piled up on a material plate base 24 to which an ID medium 22 and the crescent chain 18 are set, the number of supplied ID media 22 and the material plates 16 is recorded by way of the first sensor 26 by the side of supplier. Then, on the side of a collector, the second sensor 34 counts the number of collected ID media 22 and the material plates 16, the computer collates to both data, records and displays counting of the kinds and number of the eaten material,. plates 16, calculation of the price, and sales of a commodity 14. |
