4.5 Trade-off theory: illustration ICU Window, Inc., is trying to determine its value. The firm value in case of all-equity financed has market value of 50m. The tax rate is 39 percent, interest rate is 10% and cost of capital is 11.5%. The present value of interest tax shields and financial distress costs are respectively 2.5m and 1.25m. Following Trade-off theory, what is ICU's estimated value? Show graph of optimal debt policy with maximum firm value