Which of the Following Statements Is True of the Role

Which of the following statements is true of the role of advertising in business markets?

A) Advertising is unsuitable for explaining any new features that a product might have.
B) Sales calls are more economical than reminder advertisements.
C) Sales calls are more effective than advertisements at reminding customers how to use a product and reassure them about their purchase.
D) Sales representatives can use copies of the company's ads to legitimize their company and products.
E) Advertisements are the least preferred tools when intended to generate leads for sales representatives.