Lopez Company is considering replacing one of its old manufacturing machines. The old machine has a book value of $47,000 and a remaining useful life of five years. It can be sold now for $57,000. Variable manufacturing costs are $43,000 per year for this old machine. Information on two alternative replacement machines follows. The expected useful life of each replacement machine is five years. Machine A Machine B Purchase price $ 118,000 $ 130,000 Variable manufacturing costs per year 22,000 15,000