2. O'Brien Inc. has the following data: IRE = 5.00%; RPM = 6.00%; and b = 1.25. What is the firm's cost of equity from retained earnings based on the CAPM? a. 13.75% b. 11.88% c. 12.25% d. 9.63% e. 12.50% I 3. You were hired as a consultant to Giambono Company, whose target capital structure is 40% debt, 15% preferred, and 45% common equity. The after-tax cost of debt is 6.00%, the cost of preferred is 7.50%, and the cost of retained earnings is 16.00%. The firm will not be issuing any new stock. What is its WACC? a. 10.73% b. 8.69% c. 10.94% d. 8.26% e. 13.41%