An Example of Coercive Power Is a Manufacturer's

An example of coercive power is a manufacturer's:

A) refusal to sell merchandise to any retailer who sells to diverters.
B) offer to increase the cash discounts if the retailer meets a sales quota.
C) offer a co-op promotional plan to all retailers in a key city.
D) payment for a prominent display area in a retailer's store.
E) act of sending the retailer a Christmas card without a year-end bonus.