YTX has 15 million shares of common stock outstanding with a beta of 1.20 and a market price of $45 a share. There are 900,000 shares of 9 percent preferred stock outstanding valued at $80 a share. The 8.75 percent semiannual bonds have a face value of $1,000 and are selling at 104 percent of par. There are 250,000 bonds outstanding that mature in 17 years. The market risk premium is 11.5 percent, T-bills are yielding 3.25 percent, and the firm's tax rate is 32 percent. What is the after-tax cost of debt? What is the cost of equity? What is the WACC?