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1) A company is considering the installation of a new machine that costs $150,000. The machine is expected to lead to new net income of $40,000 per year for the next five years. Using SL depreciation, $0 salvage value, and an effective income tax rate of 50%; determine the after-tax rate of return for this investment. If the company’s after-tax MARR rate is 10%, would this be a good investment or not?
2) An auto supplier installed new equipment costing $1,050,000. The equipment generated new income averaging $300,000 per year, and its operating costs averaged $48,000 per year. The equipment was depreciated using the MACRS method, assuming a recovery period of 7 years and no salvage value. However, the equipment was kept in service for a total of 10 years, after which time a scrap dealer bought it for $60,000. The company uses an after-tax MARR rate of 8% per year and is in the 30% tax bracket. Determine the equipment’s after-tax net present worth over the 10-year service period.