Please show work and do not round intermediate calculations

Omega Corporation has 11.5 million snares outstanding, now trading at $50 per snare. The firm has estimated the expected rate ot return to shareholders at about 15%. It has also issued $175 million ot long-term bonds at an interest rate ot 7%_ It pays tax at a marginal rate ot 30%_ a. What is Omega's aner-tax WACC? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) After-tax WACC b. What would WACC be it Omega used no debt at all? (Hint: For this problem you can assume that the firms overall beta is not affected by its capital structure or by the taxes saved because debt interest is tax-deductible.) (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places.) WACC