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Part $1$

One year$$ ago, your company purchased a machine used in manufacturing for $$$$108$ comma $900.$ You have learned that a new machine is available that offers many advantages and you can purchase it for $$$$150$ comma $000$ today. It will be depreciated on a$$ straight$-$line basis over $10$ years and has no salvage value. You expect that the new machine will produce a gross margin$($revenues minus operating expenses other than$$ depreciation$)$ of $$$$45$ comma $000$ per year for the next $10$ years. The current machine is expected to produce a gross margin of $$$$23$ comma $000$ per year. The current machine is being depreciated on a$$ straight$-$line basis over a useful life of $11$ years, and has no salvage$$ value, so depreciation expense for the current machine is $$$$9$ comma $900$ per year. The market value today of the current machine is $$$$65$ comma $000.$ Your$$ company's tax rate is $21\%,$ and the opportunity cost of capital for this type of equipment is $11\%.$ Should your company replace its$$ year$-$old machine?