How much longer should the defender be kept if the MARR is 10%?

An asset purchased three years ago for $20000 can be replaced by a new type of equipment. The mar Show more An asset purchased three years ago for $20000 can be replaced by a new type of equipment. The market value of the old machine is currently $13000 and will be $9000 $8000 $6000 $2000 and $0 at the end of each of the next five years. The annual operating costs (AOC) for each of the next five years will be $2500 $2700 $3000 $3500 and $4500. How much longer should the defender be kept if the MARR is 10%? A. Keep it for four more years B. Replace it this year C. Replace it next year D. Keep it for three more years Show less

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