Match the following.

List-I (Concepts of Marketing)	List-II (Features)
a. Exchange concept	1. The company has to aggressively promote and push its products
b. Production concept	2. It holds that exchange of a product between seller and the buyer is the central idea of marketing
c. Product concept	3. Marketing can be managed by managing production
d. Sales concept	4. It tries to achieve marketing success through product attributes

A. a-4, b-3, c-2, d-1

B. a-2, b-3, c-4, d-1

C. a-3, b-2, c-4, d-1

D. a-4, b-1, c-2, d-3

Answer: Option B