Any help is appreciated!

Which capilal structure shown in the preceding table is Transworld Consortium Corp.'s aptimal capital structure? Debtratio=60%;equityratio=40%Debtratio=50%;equityratio=50%Debtratio=40%;equityratio=60%Debtratio=30%;equityratio=70%Debtratio=70%;equityratio=30% Consider this case: Globo-Chem Co. has a capital structure that consists of 35% debt and 65% equity. The firm's current beta is 1.15, but managemert wants to understand Glabo-Chern Co.'s market risk without the elfect of leverage. If Globo-Chem Co, has a 25% tax rate, what is its unlevered beta? 0.940.820.860.98 Now consider the cose of another compary: US Robotics Inc. has a current capitel structure or 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 8%. US Robotios Inc. is considering changing its capital structure to 60% debt and 40% equity. Increasing the lirm's level of debt will cause its before-tax cost of debt to increase to 8%. First, solve for uS Rabotics Inc.'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 Inc'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 (WinCC) be ir it makes this change in its capital structure? 10.16% 10.70% 8.56N4