Patent ID: 7343319

Claim:
A method of calculating a purchase total for a transaction, the method comprising the steps of: receiving a plurality of product identifiers, each of the product identifiers representing a respective product to be purchased; calculating an initial purchase total for the transaction based on respective first prices for each of the products to be purchased; determining whether the initial purchase total is at least equal to a predetermined threshold purchase total; and if the initial purchase total is at least equal to the predetermined threshold purchase total, calculating a reduced purchase total for the transaction based on respective second prices for each of the products to be purchased, at least one of the respective second prices being lower than the corresponding first price for the product to be purchased, wherein at least one of the respective second prices is calculated based on at least one of (i) the first price, (ii) a cost associated with the corresponding product, and (iii) a minimum profit amount, and wherein a percentage difference between one first price and the corresponding second price for a first product to be purchased in the transaction is different than a percentage difference between another first price and the corresponding second price of a second product to be purchased in the transaction.