Information on Lightning Power Co., is shown below. Assume the company's tax rate is 24 percent. Debt 18,400 6.4 percent coupon bonds outstanding, $1.000 par value. 27 years to maturity, selling for 108 percent of par, the bonds make semiannual payments. Common stock: 630,000 shares outstanding, selling for $85.75 per share; beta is 1.25. Preferred stock: 29,500 shares of 4.35 percent preferred stock outstanding, currently selling for $92.90 per share. The par value is $100. Market: 7.2 percent market risk premium and 3.2 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 %