Importance

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Abstract

System and method for transacting with graded prices by users based on a network are disclosed, which classify users who wishes to purchase goods through electronic commerce business sites into predetermined grades by predetermined criteria and provides graded prices information with respect to the same goods by classified grades. The electronic commerce business server connected to client units according to users' intentions according to the present invention inputs log-in data transferred according to the manipulations of the users, determines users set groups or users grades by reading additional information built in a first database unit in use of the log-in data and using the read additional information, reads goods information and basic sales prices information of goods built in a database, determines final sales prices of the goods in predetermined prices determination rules with respect to the read sales prices information on the basis of the users set groups or the users grades, and transfers finally determined goods sales prices information, the basic sales prices information, and the goods information to the client units to be displayed on screens.

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First Claim