Campbell Freight Company owns a truck that cost $47,000. Currently, the truck's book value is $24,000, and its expected remaining useful life is five years. Campbell has the opportunity to purchase for $21,000 a replacement truck that is extremely fuel efficient. Fuel cost for the old truck is expected to be $6,200 per year more than fuel cost for the new truck. The old truck is paid for but, in spite of being in good condition, can be sold for only $16,000. Required Calculate the total relevant costs. Should Campbell replace the old truck with the new fuel-efficient model, or should it continue to use the old truck until it wears out