Problem 13 Intro Homemade Flying Machines has a capital structure of 25% debt, 10% preferred stock and 65% common stock. The pre-tax cost of debt is 5.4%, the cost of preferred stock is 8% and the cost of equity is 13%. The firm's marginal tax rate is 21%. Part 1 | Attempt 3/10 for 10 pts. What is the company's weighted average cost of capital? 4+ decimals Submit