What is the “working capital” if:

Q. What is the “working capital” if:
cash in hand = 40,000; stock = 20,000; debtors = 15,000; current liabilities = 30,000
(A) 30,000
(B) 35,000
(C) 40,000
(D) 45,000

The answer is: (D) 45,000
40,000+20,000+15,000-30,000=45,000