A firm's balance sheet shows that it has total liabilities of $200 million and total assets of $800 million The cost of debt is 10% . It has a corporate tax rate of 25% Its stock has a beta of 2. The market expected return is 10%. The risk-free rate is 2% What is the after tax WACC? O a. 8.13% O b.9.13% c. 15.38% d. 11.1396 Muntanathuktion with ADD