A new municipal refuse collection vehicle can be purchased for $84,000. Its expected useful life is six years, at which time the market value and book value will be zero. Before-tax cash flow (BTCF) will be +$18,000 per year over the six-year life of the vehicle. Solve,
a. Use straight-line depreciation, an effective income tax rate of 40% and an after-tax MARR of 12% to determine the present worth of the investment.
b. What is the after-tax internal rate of return? c. Is this vehicle a sound investment? Explain your answer.

Make or buy eastside company incurs a total cost of $120,000 in producing 10,000 units of a component needed in the assembly of its major product. the component can be purchased from an outside supplier for $11 per unit. a related cost study indicates that the total cost of the component includes fixed costs equal to 50% of the variable costs involved. a. should eastside buy the component if it cannot otherwise use the released capacity? present your answer in the form of differential analysis. use negative sign represent a net disadvantage answer; otherwise do not use negative signs with your answers. cost from outside supplier $answer variable costs avoided by purchasing answer net advantage (disadvantage) to purchase alternative $answer b. what would be your answer to requirement (a) if the released capacity could be used in a project that would generate $50,000 of contribution margin? use negative sign represent a net disadvantage answer; otherwise do not use negative signs with your answers.