What Is a Primary Difference Between Rebates and Coupons

Multiple Choice

What is a primary difference between rebates and coupons?

A) Coupons allow individuals to sort themselves into the high-elasticity group after the sale.
B) Neither coupons nor rebates are redeemed in high numbers.
C) Rebates allow individuals to sort themselves into the high-elasticity group after the sale.
D) Coupons are legal and rebates are illegal.