6. (3 points) Acme Storage has a market capitalization of $200 million and debt outstanding of $70 million. Acme plans to maintain this same debt-equity ratio in the future. The firm pays an interest rate of 7% on its debt and has a corporate tax rate of 35%. If Acme's free cash flow is expected to be $15 million next year and is expected to grow at a rate of3% per year, what is Acme's asset return a) b) What is Acme's after-tax WACC? c) What is the present value of Acme's interest tax shield