| 摘要 |
A system for supporting business and a method of purchasing and selling items by using the system are provided. The system includes a member information server, which stores information on purchasers and sellers that are registered as members; a purchaser's financial performance grading server, which grades purchaser's financial performance based on an auditing report on the purchaser and purchaser's credit grade given by an authorized organization; a seller's financial performance grading server, which grades seller's financial performance based on an auditing report on the seller and seller's credit grade given by the authorized organization; a seller's delivery performance grading server, which grades seller's delivery performance based on production conditions; a seller's keeping-due-date performance grading server, which grades seller's keeping-due-date performance based on actual results of seller's keeping a due date during a predetermined period of time; and a seller's keeping-quality performance grading server, which grades seller's keeping-quality performance based on actual results of maintaining quality of goods during a predetermined period of time. |
