4. Determining the optimal capital structure Understanding the optimal capital structure Review this situation: Universal Exports Inc. is trying to identify its optimal capital structure. Universal Exports Inc. has gathered the following financial information to help with the analysis. Debt Ratio Equity Ratio EPS DPS Stock Price 30% 70% 1.55 0.34 22.35 40% 60% 1.67 0.45 24.56 50% 50% 1.72 0.51 25.78 60% 40% 1.78 0.57 27.75 70% 30% 1.84 0.62 26.42 Which capital structure shown in the preceding table is Universal Exports Inc.'s optimal capital structure? Debt ratio = 50%; equity ratio = 50% Debt ratio = 60%; equity ratio = 40% Debt ratio = 40%; equity ratio = 60% Debt ratio = 30%; equity ratio = 70% Debt ratio = 70%; equity ratio = 30% Consider this case: Globex Corp. currently has a capital structure consisting of 30% debt and 70% equity. However, Globex Corp.'s CFO has suggested that the firm increase its debt ratio to 50%. The current risk-free rate is 3%, the market risk premium is 8%, and Globex Corp.'s beta is 1.25. If the firm's tax rate is 25%, what will be the beta of an all-equity firm if its operations were exactly the same