Macy's Department Stores Carry a Wide Range of Product Lines

Macy's department stores carry a wide range of product lines, including clothing, jewelry, kitchenware, and home furnishings. Macy's typically charges a relatively high markup, but also holds frequent sales, in particular offering discounts to customers who use a Macy's credit card. These are examples of Macy's adjusting the ________ element of the 4 Cs of the marketing mix.

A) customer value
B) cost
C) convenience
D) channel
E) credit