provides the advertiser with useful guidelines for future advertising by evaluating the effectiveness of an individual ad or an entire ad campaign after it runs.

Marketing Strategists provide the advertiser with useful guidelines for future advertising by evaluating the effectiveness of an individual ad or an entire ad campaign after it runs.

Explanation:

Marketing strategists are professionals employed to check and see the validity of the advertising that is being run by the advertisers and check their effectiveness in the ground level.

The usual marketing strategists would come up with solutions for the advertising that are needed to reach out to the goals of the company and also formulate a plant hat they can follow as the advertiser then would make the ad for them.

answer; correct answer is investing activity;

answer; ///(d); determining who competes most closely   with whom evaluating whether industry driving forces and competitive pressure favor some strategic groups and hurt others, and ascertaining whether the profit potential of different strategic groups varies due to the strengths and weaknesses in each groups respective market positions;