Rumolt Motors has 34 million shares outstanding with a share price of $24 per share. In addition, Rumolt has issued bonds with a total current market value of $359 million. Suppose Rumolt's equity cost of capital is 12%, and its debt cost of capital is 5%. a. What is Rumolt's pre-tax WACC? b. If Rumolt's corporate tax rate is 35%, what is its after-tax WACC? a. What is Rumolt's pre-tax WACC? Rumolt's pre-tax WACC is Round to two decimal places.) b. If Rumolt's corporate tax rate is 35%, what is its after-tax WACC? Rumolt's after-tax WACC is (Round to two decimal places.)