You are given the following information for 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?