a. Above-the-line advertising refers to mass media advertising such as TV, radio, and print, while below-the-line advertising refers to targeted and direct advertising such as email marketing and social media advertising.
b. Above-the-line advertising is more expensive than below-the-line advertising.
c. Above-the-line advertising is more effective than below-the-line advertising.
d. There is no difference between above-the-line advertising and below-the-line advertising.
Answer: a. Above-the-line advertising refers to mass media advertising such as TV, radio, and print, while below-the-line advertising refers to targeted and direct advertising such as email marketing and social media advertising.