Drugstore Chain CVS Has an ExtraCare Program That Allows Customers

Drugstore chain CVS has an ExtraCare program that allows customers to register for a card that is swiped prior to each purchase and gives discounts and offers special in-store promotions.The most likely reason why CVS implemented this reward program is to:

A) to reduce problems associated with cultural diversity
B) to make sure the 80/20 principle is not influencing its activities
C) to retain loyal customers
D) to create cognitive dissonance
E) to lessen the importance of customer service