12. Based on the following information, compute the companys weighted average cost of capital (WACC): CAPM estimated required return of 9.7%, equity book value of $22 per share and market value of $34 per share with 425 million fully diluted shares outstanding. The companys current cost of debt is 6.75%, book value of debt is $8.1 billion, market value is $6.2 billion and they have a tax rate of 20%. a. 9.7% b. 8.4% c. 7.7% d. 8.8%