If average inventory is Rs. 50,000 and closing inventory is Rs. 2,000 less than the opening inventory, opening and closing inventory will be:
A. Rs. 52,000 and Rs. 50,000
B. Rs. 50,000 and Rs. 48,000
C. Rs. 48,000 and Rs. 46,000
D. Rs. 51,000 and Rs. 49,000