Which of the following statements describes a problem encountered by national advertisers when using spot advertising?
A. Spot advertising does not allow national advertisers to adjust to local market conditions.
B. Spot advertising cannot be used as part of their cooperative advertising programs.
C. Spot advertising is easy to acquire since time is purchased from a number of local stations.
D. There are more variations in the pricing policies of local stations than networks.
E. Spot advertising provides advertisers with limited coverage in geographic markets in which they do business.
Answer: D