Information on Lightning Power Co., is shown below. Assume the company's tax rate is 23 percent. Debt: 16,800 5.9 percent coupon bonds outstanding. $1,000 par value. 25 years to maturity, selling for 106.4 percent of par, the bonds make semiannual payments. Common stock: 550,000 shares outstanding, selling for $81.75 per share; beta is 1.15. Preferred stock: 21,500 shares of 4.15 percent preferred stock outstanding, currently selling for $91.30 per share. The par value is $100. Market: 6.4 percent market risk premium and 2.9 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 % 4.11 % % 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.)