Which of the Following Is NOT a Limitation of Rebates

Which of the following is NOT a limitation of rebates?

A) When small refunds are being offered, marketers may find other promotional incentives, such as coupons, more effective.
B) Rebates can encourage brand switching or repeat purchase behaviour.
C) Consumers do not want to be bothered saving cash register receipts and proofs of purchase.
D) Nonusers of rebates are likely to perceive the redemption process as too complicated.