Information on Lightning Power Co., is shown below. Assume the company's tax rate is 25 percent. Debt: 17,500 6.4 percent coupon bonds outstanding, $1,000 par value, 24 years to maturity, selling for 107.1 percent of par; the bonds make semiannual payments. eBook Common stock: 585,000 shares outstanding, selling for $83.50 per share; beta is 1.05. Hint Preferred stock: 25,000 shares of 4.2 percent preferred stock outstanding, currently selling for $92.00 per share. The par value is $100. References Market: 6.3 percent market risk premium and 2.8 percent risk-free rate. What is the company's cost of each form of financing? (Do not round intermediate calculations and enter your answers as a percent rounded to 2 decimal places, e.g., 32.16.) % Cost of equity Aftertax cost of debt Cost of preferred stock % % Calculate the company's WACC. (Do not round intermediate calculations and enter your answer as a percent rounded to 2 decimal places, e.g., 32.16.) WACC %