Stuart Freight Company owns a truck that cost $33,000. Currently, the truck's book value Is $28,000, and its expected remaining useful Iffe Is four years. Stuart has the opportunity to purchase for $28,000 a replacement truck that Is extremely fuel efficlent. Fuel cost for the old truck is expected to be $5,700 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 $18,000. Required Calculate the total relevant costs. Should Stuart replace the old truck with the new fuel-efficlent model, or should it continue to use the old truck until It wears out