Which of the Following Statements About Cooperative Advertising Is True

Which of the following statements about cooperative advertising is True?

A) Cooperative advertising has been encouraged by the Federal Trade Commission as a way to stimulate selective demand.
B) Most cooperative advertising is done on radio.
C) Cooperative advertising appears most frequently on TV.
D) The two types of cooperative advertising are direct-action and indirect-action.
E) Cooperative advertising is often used to extend a firm's promotion budget.