Which of the Following Is Not an Advantage of Using

Which of the following is not an advantage of using coupons?

A) Coupons reward current product users, win back former users, and encourage purchases in larger quantities.
B) Because so many manufacturers offer them, consumers have learned not to buy without some incentive, whether that pertains to a coupon, a rebate, or a refund.
C) When they are returned, coupons help a manufacturer determine whether it reached the intended target market.
D) The larger the coupon's cash offer, the better the recognition generated.
E) Print advertisements with coupons are often more effective at generating brand awareness than print ads without coupons.