Firms Are Willing to Offer Generous Rebates Because

Firms are willing to offer generous rebates because

A) the retailer and manufacturer always split the cost.
B) rebates increase sales, but firms may not have to pay off all the rebates offered.
C) they are easier for the consumer to use than are coupons.
D) rebates are the only type of sales promotion proven to impact sales.
E) they tend to generate repeat customers.