Prior to Deciding on the Most Effective Selling Message,the Marketer

Prior to deciding on the most effective selling message,the marketer can use positioning to determine:

A) what competitive space the brand is competing in, as illustrated in a perceptual map.
B) whether specific brand characteristics are as relevant to consumers as price.
C) the most inexpensive media buy, and then develop messages accordingly.
D) their relative market share in comparison to the competition.