Please give a solution with fomula not excel, thank you.

Consider a firm F with the following features Firm F will close its business at time 20 Earnings before interest and taxes (EBIT) is 200 at time 1, 400 at time 2, and then it grows every year at a rate of 5% until time 20. Amortization is worth 100 at time 1, 150 at time 2, and then it decreases every year at a rate of 6% until time 20. Capital expenditure (CAPEX) is 40 at time 1, 2, . 20. . Net working capital (NWC) is 100 today, 150 at time 1, and 280 at time 2. From time 3 to time 20, change in NWC is worth 80. Bankruptcy costs are expected to be 500 at time 20. The cost of unlevered equity is 7%. . Debt consists of a bond with face value 1000. Coupon payments are made at time 2, , 20. Today's value of the bond is 1000, Cost of debt is 1%. The corporate tax rate is 20% Remark: The notation t+ stands for time t right after cash-flows have been paid. 1) What is the coupon rate of the bond (cB)? 2) What is the value, at time 2+, of firm F's tax shields (TS2+)? 3) What is the value, at time 2+, of a security that pays the EBIT ( BIT)? Hint: Discount cash-flows using the cost of unlevered equity. 4) What is the value, at time 2+, of a security that pays the amortization (V ")? Hint: Discount cash-flows using the cost of unlevered equity. 5) What is the value, at time 2+, of a security that pays the CAEXVPEX)? Hint: Discount cash-flous using the cost of unlevered equity