You are given the following information for Lightning Power Co. Assume the companys tax rate is 23 percent. Debt: 13,000 6.2 percent coupon bonds outstanding, $1,000 par value, 28 years to maturity, selling for 108 percent of par; the bonds make semiannual payments. Common stock: 460,000 shares outstanding, selling for $64 per share; beta is 1.13. Preferred stock: 20,000 shares of 4 percent preferred stock outstanding, currently selling for $85 per share. The par value is $100 per share. Market: 6 percent market risk premium and 5.1 percent risk-free rate. What is the company's WACC?