| 摘要 |
According to some embodiments of the present invention, methods and apparatus are described for performing a supplementary process. In one embodiment, a method is provided for receiving an override signal. If the override signal indicates performance of a supplementary process, the method further provides for determining an upsell in dependence on a purchase, determining an upsell price in dependence on the purchase, and offering to exchange the upsell price for the upsell.
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