| http://www.w3.org/ns/prov#value | - Supplemental product offer rules are evaluated at 4114, as described in detail with respect to FIGS. 13 and 17, and the redemption identifier and any supplemental product offer information are transmitted to the buyer at 1616 before the process ends. [0440] FIG. 42 is a flow chart illustrating a supplemental offer rules evaluation method 4200 performed by the purchasing system device 2900 to deter
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