About half of the credit cards are rebate cards, and new cards are introduced every day. In one credit card incentive program card holder earn free frequent flyer miles for each dollar charged on…

About half of the credit cards are rebate cards, and new cards are introduced every day. In one credit card incentive program card holder earn free frequent flyer miles for each dollar charged on his/her credit card. These frequent flyer miles can then be used with airline-affiliated programs for free tickets, first 璫lass upgrades, and other travel related benefits. This program is a/an: