Question: 1 . You are evaluating two different silicon wafer milling machines. The Techron I costs $ 2 7 3 , 0 0 0 , has

1. You are evaluating two different silicon wafer milling machines. The Techron I costs $273,000, has a 3-year life, and has pretax operating costs of $74,000 per year. The Techron II costs $475,000, has a 5-year life, and has pretax operating costs of $47,000 per year. For both milling machines, use straight-line depreciation to zero over the projects life and assume a salvage value of $51,000. If your tax rate is 25 percent and your discount rate is 11 percent, compute the EAC for both machines.
2. Tanaka Industrial Systems Company is trying to decide between two different conveyor belt systems. System A costs $275,000, has a 4-year life, and requires $81,000 in pretax annual operating costs. System B costs $355,000, has a 6-year life, and requires $75,000 in pretax annual operating costs. Both systems are to be depreciated straight-line to zero over their lives and will have zero salvage value. Suppose the company always needs a conveyor belt system; when one wears out, it must be replaced. Assume the tax rate is 22 percent and the discount rate is 9 percent. Calculate the EAC for both conveyor belt systems.

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