Match the following.

List-I	List-II
a. Void agreement	1. Subcontracting
b. Form of bid rigging	2. Perfect competition
c. Free entry and exit in the market	3. Agreement having appreciable adverse effect on competition
d. Cartel	4. Horizontal agreement

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

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

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

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

Answer: Option A