AL-Noor Company is trying to determine whether to repair an old delivery truck, or replace it with a new one. The old delivery truck as purchased for $60,000, and has a current accumulated depreciation of 45,000 . The current truck has a remaining useful life of five years, but could be sold now for $2,000. The new truck would have a purchase price of $72,000, and would have a useful life of 5 years, with no salvage value. The purchase of the new truck would decrease variable manufacturing costs from $30,000 per year t $25,000 per year. Required: a) Determine is management should keep the old truck or buy the new one