Lightning Power Co. Assume the company's tax rate is 21 percent. Debt: 6,000 5.5 percent coupon bonds outstanding, $1,000 par value, 21 years to maturity, selling for 103 percent of par; the bonds make semiannual payments. Common stock: 390,000 shares outstanding, selling for $57 per share; beta is 1.14. Preferred stock: 16,500 shares of 3.3 percent preferred stock outstanding, currently selling for $78 per share. The par value is $100 per share. Market: 5 percent market risk premium and 4.3 percent risk-free rate. What is the company's WACC