Information on Lightning Power Co., is shown below. Assume the companys tax rate is 22 percent.

Debt:	18,200 6.1 percent coupon bonds outstanding, $1,000 par value, 25 years to maturity, selling for 107.8 percent of par; the bonds make semiannual payments.
Common stock:	620,000 shares outstanding, selling for $85.25 per share; beta is 1.15.
Preferred stock:	28,500 shares of 4.25 percent preferred stock outstanding, currently selling for $92.70 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 equity %

-aftertax cost of debt %

-cost of preferred stock %

Calculate the companys WACC %