a.A firm is financed with 30% debt and 70% equity. It s cost of debt is 6% and it s cost of equity is 15%. What would be the weighted average cost of capital for the firm if the average tax rate is 35%?

12.2%
		8.63%
		11.67%
		13.8%

b.What is the WACC for a firm financed with 30% debt and 70% equity if the debt requires an after-tax return of 10% and equity requires a 16% return?

11.8%
		13.3%
		14.2%
		14.8%

please answer both parts