Gizmo Inc has outstanding 20 year bonds with a 10% coupon rate, annual payments selling for $800. Gizmo Inc. common stock is selling for $200 and has a beta of 1.5 . The risk-free rate is 5% and the market risk premium is 10%. The Capital structure based on book value weights is 30% debt and 70% common equity. However, the firm's target capital structure is 50% debt and 50% common equity. The firm has a marginal tax rate of 40%. Gizmo Inc. is considering the purchase of a new machine for 500,000 . It will be depreciated using the MACRS 3-year class life [33\%, 45\%, 15\% and 7% ] and can be used for four years at which time it will have a market value of $100,000. Purchase of the new machine will cause an increase in net operating working capital by $50,000. Sales are expected to increase by $100,000 each year and operating costs are expected to decrease by $100,000 each year. What is the before-tax cost of debt? What is the cost of common equity? What is the weighted average cost of capital? What is the depreciation tax shield (savings) for Year 1-4? What is the Free Cash Flow for Year 0-4? Please show work and please help