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Method and apparatus for processing a supplementary product sale at a point-of-sale terminal

  • US 7,072,850 B1
  • Filed: 03/20/1998
  • Issued: 07/04/2006
  • Est. Priority Date: 03/21/1997
  • Status: Expired due to Fees
First Claim
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1. A method comprising:

  • scanning a bar code on at least one item;

    determining a purchase price for a purchase including the at least one item;

    receiving a rounding code from a first item not included in the purchase;

    determining a rounding multiple corresponding to the rounding code;

    rounding the purchase price based on the rounding multiple; and

    allowing an exchange of the at least one item and the first item for the rounded purchase price.

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