US Robotics Ine. has a current capital structure of 30% debt and 70% equily. Its current before-tax cost of debt is 10%, and its tax rate $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 Robotics 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 12%. Fint, solve for US Roboties 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 Rabotic incis 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? 12.50% 8.75% 10.00% 9,38%