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What is the total after-tax annual cost of a machine with a first cost of $45 000 and operating and maintenance costs of $0.22 per unit produced? It will be sold for $4500 at the end of five years. Production is 750 units per day, 250 days per year. The CCA rate is 20 percent, the after-tax MARR is 18 percent, and the corporate income tax rate is 45%