Which statement about advertising is most accurate?

Advertisers have very limited control over what they can say due to FCC regulations.

Through advertising, a company can control what it says and, to some extent, to whom the message is sent.

Advertisers have the highest credibility of any element in the promotional mix.

Advertising is the least costly form of promotion because ads go through significant pretestir

A key advantage of advertising is its use of customized interactions.