Question: An injection molding machine has a first cost of $1,050,000 and a salvage value of $225,000 in any year the machine is sold. The maintenance

An injection molding machine has a first cost of $1,050,000 and a salvage value of $225,000 in any year the machine is sold. The maintenance and operating cost is $235,000 with an annual gradient of $75,000. The MARR is 10%. What is the most economic life?

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