| 摘要 |
PROBLEM TO BE SOLVED: To register materials of cooking items that a customer has determined by using a shopping support device all together as customer purchased articles in a checkout device. SOLUTION: Shopping support devices 4a and 4b are provided with a means which writes the article codes and necessary amounts of respective materials in a material list on an IC card 5 when a purchase of the respective materials in the material list displayed at a display part is declared. Further, checkout devices 3a and 3b are provided with a means which reads out the data recorded on the IC card 5. Then when the data read out of the IC card 5 shows the article codes and necessary amounts of the respective materials in the material list, article sales data on the respective materials are registered together according to the data. |
