"Buy one, get one free" is a ________ sales promotion.

A) deal
B) coupon
C) sample
D) sweepstake
E) rebate

"Buy one, get one free" is a classic example of a deal sales promotion, where customers are offered a discount or an extra product as an incentive to make a purchase. A coupon is a form of discount where customers are given a code or a printed voucher to redeem for their purchase. A sample is a smaller version of a product that is handed out for free so customers can try it, whereas a sweepstake is a contest where winners are drawn at random. A rebate is a refund given after the purchase has been made, provided certain conditions are met.