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 13.00%. The firm will not be issuing any new stock. What is its WACC? 2.8.83% b. 8.25% c. 698W d. 3.534 e 9.384