You are missing the point. The credit cards companies have mandated that the "regular" (that is the main advertised) price is the one you pay by credit card. Th

You are missing the point. The credit cards companies have mandated that the "regular" (that is the main advertised) price is the one you pay by credit card. They don't object to having cash-discount prices, but they want to make sure that people do not perceive that credit card purchases are more expensive. It is all about perception.