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. Which capital structure shown in the preceding table is Universal Exports inc.'s optimal capital structure? Debt ratio =30%; equity ratio =70% Debt ratio =60; equity rati =40% Debt ratio =50%; equity ratio =50% Debt ratio = row; cquty ratio =30% Debt ratio =40%; equity ratio =60% Globo-Chem Co. has a capital structure that consists of 35% debt and 65% equity. The firm's current beta is 1.15 , but management wants to understand Globo-Chem Co.'s market risk without the effect of leverage. If Globo-Chem CO0, has a 25% tax rate, what is its unlevered beta? 0.86 0.74 0.78 0.82 Now consider the case of another company: US Robotics inc. has a current capital structure of 30% debt and 70% equity. Its current before-tax cost of debt is 6%, and its tax rate is 25%, currently has a levered beta of 1.15 . The risk-free rate is 3%, and the risk premium on the market is 7%. Uis Robotics the. is considering changing its capital structure to 60W debt and 40w equity. Increasing the firm's level of debt will cause its before-taxcost of debt to increase to 8%. First, solve for US Robotics Incis unievered beta. US Robotics inc, has a current capital structure of 30% debt and 70% equity. Its current before-tax cost of debt is 6%, and its tax rate is 25%. It currently has a levered beta of 1.15 . The risk-free rate is 3%, and the risk premium on the market is 7%. US Roboties inc. is considering changing its capital structure to 60% debt and 40% equity. Increasing the firm's level of debt will cause its before-tax cost of debt to increase to 8%. First, solve for US Robotics Inci's unlevered beta. Use US Robotics Inc.'s unlevered beta to solve for the firm's levered beta with the new capital structure. Use US Robotics Inci's levered beta under the new capital structure, to solve for its cost of equity under the new capital structure. What will the firm's weighted average cost of capital (WACC) be if it makes this change in its capital structure? 8.00% 7,50% 7.00%6 10.00%