Television advertisements aired during major sporting events are very expensive. A theory asserting that people buy a product simply because it is advertised would suggest that information on the high cost of advertising a. enhances the effectiveness of the advertisement. b. reduces people's willingness to purchase advertised products. c. reduces the effective staying power of a product. d. is leaked to discredit the firms that spend so much on advertising.

a. enhances the effectiveness of the advertisement.

Explanation:

Television advertisements aired during major sporting events are very expensive. A theory asserting that people buy a product simply because it is advertised would suggest that information on the high cost of advertising enhances the effectiveness of the advertisement.

The main aim and objectives of advertising is to increase sales and profit of a business, thus, ads would help to reach out to the target audience and create brand awareness but often it comes with a price.