作者: Thomas G. Romary , Christopher P. Aguas , Donald W. Kemp , Hugh Herrick Birch , Brian O'Neale Bettinger
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摘要: A computer-based method and system for tracking a price change of purchase made using transaction card over an interchange network is provided. The includes computer device in communication with memory device. receiving, at the network, data associated item by cardholder card, transmitting via authorization message response to item, directing least some including track changes current asking compare item.