| 摘要 |
PROBLEM TO BE SOLVED: To provide a commodity sales data processing device capable of securely obtaining answers to questionnaires. SOLUTION: A display unit for customer is formed of a display unit having a touch panel, and answers to questionnaires can be input and stored by touching an answer-to-questionnaires input screen displayed in an answer-to- questionnaires input screen of the display unit with a touch panel. A privilege in relation to the corresponding business is given to a customer input the answer to the questionnaires, in comparison with a customer not input the answer to the questionnaires. |
