Problem 1 Calculate the effective after-tax) cost of debt for Apopka Clinic, a for-profit healthcare provider, assuming the interest rate set on its debt is 10% and its tax rate is set at the following levels: a. O percent b. 25 percent c. 40 percent Problem 2 Tampa Hospital has a target capital structure of 40% debt and 60% equity. Its cost of equity estimate is 12% and its cost of tax- exempt debt estimate is 6.2%. What is the hospital's corporate cost of capital? Please show your work. Problem 3 Burleson Clinic has obtained the following estimates for its costs of debt and equity at various capital structures: Proportion of After-Tax Cost of Debt Cost of Equity (96) 0% 14,0 20% 62 15.0 40% 7.5 17.0 60% 9.8 20.0 80% 15.0 24.0 Debt What is the firm's optimal capital structure? (Hint: Complete the following table. When done, identified the optimal capital structure.) Proportion Corporate of Debt After-Tax Cost of Debt of Equity Cost of Equity (Cost of Capital Proportion (96) 09 20 40% 60% 80 6:2 7.5 9.8 15.0 140 15.0 17.0 20.0 24.0