a local manufacturing company that manufactures coffee tables is interested in conducting a replacement study. they are interested to know if they have to fix the current manual packaging machine so it can be used one more year or buy a new automated machine.the market value for the current machine $9000 now, maintenance and operating costs $192000/year, and no salvage value after the one year. the new machine cost $320000, maintenance and operating cost is $68000 per year, and the salvage value four years from now is $50000. if the market interest rate is 10% per year, conduct a replacement study to select the better of the two machines