You are given the following information for Lightning Power Company. Assume the companys tax rate is 23 percent.

Debt:	8,000 5.7 percent coupon bonds outstanding, $1,000 par value, 23 years to maturity, selling for 105 percent of par; the bonds make semiannual payments.
Common stock:	410,000 shares outstanding, selling for $59 per share; beta is 1.10.
Preferred stock:	17,500 shares of 3.5 percent preferred stock outstanding, a $100 par value, selling for $80 per share.
Market:	7 percent market risk premium and 4.5 percent risk-free rate.

What is the company's WACC?

Please Solve using Excel. TIA.