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? 853% 9385 8.81% 7.03 11.63%