| 摘要 |
PROBLEM TO BE SOLVED: To overcome problems such that an eating place supplies no expense for activity to an organization to contribute to society since the eating place does business independently of the organization such as NGO to contribute to the society and on the other hand, labor and time are required for donation to the organization. SOLUTION: Amounts of all food and drinks are fixed, set as the amount by which changes are generated by one sheet of paper money or one coin, an automatic coin vending machine by which the coins equivalent to the coin and the changes to exchange the food and the drinks are ejected by inserting the paper money or the coin is arranged inside the eating place and the coins for changes are used as the donation for social action. |
