1). Which of the following are correct formulas for computing the return on equity?

I. ROE = Net income / Total equity

II. ROE = Return on assets (1 + Debt-equity ratio)

III. ROE = Profit margin Total asset turnover Equity multiplier

IV. ROE = Return on assets (1 + Equity multiplier)

a. I and III only

b. II and IV only

c. I, II, and III only

d. I, III, and IV only