| 摘要 |
A customer offers a cooperation in reducing the production/supply cost of th e supplier, referring to cooperation request information for customers about reduction of all the production/supply cost that the customer obtains throug h a medium such as a magazine, a newspaper, a direct mail, or the Internet and including the cost of manufacture, cost of purchase, administrative expense, and anticipated risk of the production/supply system of the supplier. The supplier accepts the offer after examination. The customer receives a return of part or all of the results of the reduction of the production/supply cost , thus performing a consumption activity by using a customer-involvement production/supply system operating device. The customer-involvement production/supply system operating device is also used for the production/supply activity performed by the customer under the condition of a purchase activity including use of a return privilege obtained from not only the supplier from which the customer purchases a production but also other suppliers. |
