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3. You are evaluating two different silicon wafer milling machines. The TechronI costs $270 000 has a three-year life, and has pretax operating costs of $69,000 per year. The Techron II costs, ' $475,OOO, has a five-year life, and has pretax operating costs of $36,000 per year. For both milling machines, use straight-line depreciation to zero over the project's life and assume a salvage value of $4S,OOO Your tax rate is 35 percent and your discount rate is 10 percent. Total: 12 points a. Calculate the operating cash flows and the after tax salvage value for each machine. Points 2+2 b. Calculate the net present value of each project. Points 2+2 b. Calculate the equivalent annual cost for each project. Points 2+2