Cooperative Advertising Serves Two Key Purposes

Cooperative advertising serves two key purposes.One of those purposes is to help a manufacturer's distributors,dealers or retailers make more sales.The second purpose is to:

A) reduce the probability that distributors,dealers or retailers will do no advertising at all.
B) decrease the probability that distributors,dealers or retailers will present poor advertising to a manufacturer's customers.
C) build the manufacturer's brand image.
D) save the manufacturer money by reducing its variable costs.
E) reduce dependence on institutional advertising.