You are given the following information for Lightning Power Co. Assume the company's tax rate is 24%. Debt: 24,000 7.3% coupon bonds outstanding, $1,000 par value, 18 years to maturity, selling for 107% of par; the bonds make semiannual payments. Common stock: 570,000 shares outstanding, selling for $75 per share; beta is 1.19. Preferred stock: 25,500 shares of 5.1% preferred stock outstanding, currently selling for $96 per share. The par value is $100 per share. Market: 6% market risk premium and 4.9% risk free rate. What is the company's WACC (2 decimal places)? Please use excel and explain the answer.