The correct option is D Both B and C
Te comprehensive theory of buyer behaviour is formulated by Howard and Sheth. They suggested
that consumer decision making differs according to the strength of the attitude toward
the available brands; this being largely governed by the consumer’s knowledge and
familiarity with the product class. In situations where the consumer does not have
strong attitudes they are said to engage in Extended Problem Solving (EPS), and
actively seek information in order to reduce brand ambiguity.