Calculate the opportunity cost of capital for a firm with the following capital structure: 30% preferred stock, 50% common stock and 20% debt. The firm has a cost of debt of 8.74%, a cost of preferred stock equal to 10.37% and a 13.8% cost of common stock. The firm has a 24% tax rate. You answer should be entered as a %, for example 15.48% QUESTIONS Calculate the opportunity cost of capital for a firm with the following capital structure: 30% preferred stock, 50% common stock and 20% debt. The firm has a cost of debt of 8.74%, a cost of preferred stock equal to 10.37% and a 13.8% cost of common stock. The firm has a 24% tax rate. You answer should be entered as a %, for example 15.48%