Information on Lightning Power Company, is shown below. Assume the companys tax rate is 25 percent.

Debt:	18,000 5.8 percent coupon bonds outstanding, $1,000 par value, 23 years to maturity, selling for 107.6 percent of par; the bonds make semiannual payments.
Common stock:	610,000 shares outstanding, selling for $84.75 per share; beta is 1.05.
Preferred stock:	27,500 shares of 4.45 percent preferred stock outstanding, currently selling for $92.50 per share. The par value is $100.
Market:	6.8 percent market risk premium and 3.4 percent risk-free rate.

What is the company's cost of each form of financing?

cost of equity?

Aftertax cost of debt?

Cost of preferred Stock?

calculate the company's WACC