Match the following:

a. Various combinations of two commodities that a consumer can purchase	1. Indifference map
b. Various combinations of two commodities that give consumer equal satisfaction	2. Indifference curve
c. A set of indifference curves	3. Budget line
d. Point of tangency of a budget line and an indifference curve	4. Consumer's equilibrium

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

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

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

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

Answer: Option D