Match the following.

List-I	List-II
a. Staffing	1. Helps in the reduction of uncertainty
b. Planning	2. Optimal utilisation of resources
c. Directing	3. Vacant positions are filled
d. Organising	4. Integrates human efforts

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

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

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

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

Answer: Option A