In Differentiated Product Markets That Are Characterised by Advertising, Evidence

In differentiated product markets that are characterised by advertising, evidence suggests that which of the following statements are true?
(i) markets are less efficient
(ii) consumers make better choices
(iii) in general, firms are less profitable

A) (ii) only
B) (i) and (iii) only
C) (ii) and (iii) only
D) (i) , (ii) and (iii)