Match the processes in Group I with the objectives in Group II.

Group I	Group II
P. Vacuum Arc Degassing (VAD)	1. Primary iron making
Q. LD	2. secondary steel making
R. COREX	3. Direct smelting
S. Blast Furnace	4. Primary steel making

A. P-3, Q-4, R-2, S-1

B. P-4, Q-3, R-1, S-2

C. P-3, Q-2, R-1, S-4

D. P-2, Q-4, R-3, S-1

Answer: Option B