Mullineaux Corporation has a target capital structure of 60 percent common stock, 15 percent preferred stock, and 25 percent debt. Its cost of equity is 11 percent, the cost of preferred stock is 6 percent, and the pretax cost of debt is 8 percent. The relevant tax rate is 38 percent.

a.	What is the companys WACC? b. What is the aftertax cost of debt?