carla vista partners is evaluating the replacement of an older machine with either the new superplus or maxplus machine. The market value of the original machine is $$8,000$ but it has an expected salvage value of $$1,000$ in $5$ years. The details regarding the two new machines are: Superplus cost $24,000$ useful life $5$ years salvage value $2,200$ reduced annual pretax operating cash flows $6,000,$ Maxplus cost $38,000$ useful life $5$ years salvage value $3,100$ reduced annual pretax operating cash flows $6,200$