Match the following

List-I	List-II
a. Millet	1. Coordination
b. Mooney	2. Unity of command
c. Urwick	3. Span of control
d. Fayol	4. Supervision

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

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

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

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

Answer: Option C