please provide formulatext

616 P13 Build a Model Qurce Model.xlsx on the 16-13 Build a Model: WACC and Optimal Capital Structu Start with the partial model in the file Ch16 P13 R. textbook's Web site. Reacher Technology has consulted ers and determined the interest rate it would pay for tures, as shown in the following table. Data for the risk premium, an estimate of Reacher's unlevered beta also shown. Based on this information, what is the firm ture, and what is the weighted average cost of capital at th ed with investment ba for different capital or the risk-free rate, the a beta, and the tax rate e firm's optimal capitals tal at the optimal structu ment bank capital stre- the war x rate are apital struc- Percent Financed with Debt (w.) 0% Before-Tax Cost Debt (r) 6.0% 6.1 Input Data Risk-free rate Market risk premium Unlevered beta 7.0 4.5% 5.5% 0.8 8.0 Tax rate 10.0 40.0% 12.5 15.5 18.0