| 摘要 |
PURPOSE: A method for promoting sales by diversifying selling prices of products is provided to enable a purchaser to efficiently enjoy shopping by diversifying the selling price of a specific product, thereby efficiently promoting sales. CONSTITUTION: Prices of a product of a company on electronic commerce are diversified into a general market price, a discount mall price and a site selling price. After that, the prices diversified are compared with prices of the product of another companies. Selling prices, restricted volume to be sold at the selling prices, present conditions on purchasers according to the restricted volume, manufacturing companies and so on are displayed in detail by terms. Therefore, the selling prices are diversified. The purchasers' interest for the product is increased.
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