Barron Corporation has a target capital structure of 60 percent common stock , 5 percent preferred stock and 35 percent debt . its cost of equity is 12 percent the cost of preferred stock is 8 percent and the pretax cost of debt is 9 percent. The relevant tax rate is 24 percent.

a. What is the company's WACC? b. After tax cost of debt?

a.WACC _____% b. After tax cost of debt _______%