The heaviest users of radio as an advertising medium are:
A. national service providers.
B. local advertisers.
C. national retail chains.
D. national consumer-products manufacturers and distributors.
E. tobacco and alcohol advertisers.
Answer: B
A. national service providers.
B. local advertisers.
C. national retail chains.
D. national consumer-products manufacturers and distributors.
E. tobacco and alcohol advertisers.
Answer: B