Information on Lightning Power Co., is shown below. Assume the company's tax rate is 22 percent Debt: 17,200 6.3 percent coupon bonds outstanding, $1,000 par value, 27 years to maturity, selling for 106.8 percent of par; the bonds make semiannual payments. Common stock: 570,000 shares outstanding, selling for $82.75 per share; beta is 1.10. Preferred stock: 23,500 shares of 4.35 percent preferred stock outstanding, currently selling for $91.70 per share. The par value is $100. Market: 6.8 percent market risk premium and 3.4 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 %