MM Tool Manufacturing has an expected EBIT of $\$ 57,000$ in perpetuity and a tax rate of 35 percent. The firm has $\$ 90,000$ in outstanding debt at an interest rate of 8 percent, and its unlevered cost of capital is 15 percent. What is the value of the firm according to MM Proposition I with taxes? Should Tool change its debt-equity ratio if the goal is to maximize the value of the firm? Explain.