A grocery owner has an equity stake of ₹ 40,000/- in the business. He has borrowed ₹ 60,000/- at the interest rate of 10% per annum. He made a net profit of ₹ 20,000/- in one year. What will be the Return on Equity for the grocery owner?
a. 20%
b. 30%
c. 35%
d. 50%