Stuart Freight Company owns a truck that cost $40,000. Currently, the truck's book value is $21,000, and its expected remaining useful life is four years. Stuart has the opportunity to purchase for $24,000 a replacement truck that is extremely fuel efficient. Fuel cost for the old truck is expected to be $5,200 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 $12,000, Required dCalculate the total relevant costs. Should Stuart replace the old truck with the new fue-efficient model, or should it continue to use the old truck until it wears out? Keep Old Tokal rolvant costs Shold Stuart replace or continue with the old truck