Calculate the opportunity cost of capital for a firm with the following capital structure: 30% preferred stock, 50% common stock and 20% debt. The firms has a cost of debt of 8.73%, a cost of preferred stock equal to 10.78% and a 13.77% cost of common stock. The firm has a 28% tax rate. You answer should be entered as a %, for example 15.48% QUESTION 4 A firm is considering a project and plan to obtain a target capital structure with $85,999 of debt at a before-tax cost of 9.6%, 594,816 of preferred stock at a cost of 10.7% and $56,371 of equity at a cost of 13.5%. The firm faces a tax rate of 40%. What will be the firm's weight on preferred stock? (your answer should be in percentages so 10% would be entered as 10) QUESTION 5 The cost of pametual preferred stock is found as the proferrer's annual dividend divided hu the market the