You are given the following information for Lightning Power Co. Assume the companys tax rate is 21 percent. Debt: 11,000 6 percent coupon bonds outstanding, $1,000 par value, 26 years to maturity, selling for 108 percent of par; the bonds make semiannual payments. Common stock: 440,000 shares outstanding, selling for $62 per share; beta is 1.13. Preferred stock: 19,000 shares of 3.8 percent preferred stock outstanding, currently selling for $83 per share. The par value is $100 per share. Market: 7 percent market risk premium and 4.8 percent risk-free rate. What is the company's WACC?