please solve by hand and not using excel

4. Finding the WACC Given the following information for Lightning Powet Co., find the WACC. Assume the company's tax rate is 21 percent. Debt: Common stock: Preferred stock: Market: 12,000 bonds with a 4.6 percent coupons outstanding. $1,000 par value, 25 years to maturity, selling for 105 percent of par; the bonds make semiannual payments. 575,000 shares outstanding, selling for $81 per shate beta is 1.04 . 30,000 shares of 3.4 percent preferred stock outsinitis a $100 par value, currently selling for $49 per share. 7 percent market risk premium and 3.2 percent rist free rate