| 摘要 |
<p>PROBLEM TO BE SOLVED: To solve the problem that a trouble is often difficult to be solved in the case the trouble takes place when a system product obtained by combining products provided by plural makers is used. SOLUTION: A management company 10 receives the offers of investment, technical information from cooperating makers 1 to 5 and the framework of a license for authorizing a technical level about the products of the cooperating makers in the background of the influences of subordinate salons 20, 30 and 40. The technical information is utilized, the interconnection estimation of a plurality of products is performed inside the management company, and its good results are provided to a master sponsoring the salons. When a person wanting to sponsor a salon has a license coinciding with the purport of his/her own salon authorized by the management company and the profitability of the salon is also authorized by the management company, the person can sponsor the salon as a master. In the salon, its member tries the system product and can make a purchase procedure. The member can also receive advice in the case of using the product and can ask how to solve a trouble when the trouble takes place.</p> |
