Please help

You have been asked by the president of your company to evaluate the proposed acquisition of a new special-purpose truck for $60,000. The truck falls into the MACRS 3-year class, and it will be sold after three years for $19,200. Use of the truck will require an increase in NWC (spare parts inventory) of $1,200. The truck will have no effect on revenues, but it is expected to save the firm $20,600 per year in before-tax operating costs, mainly labor. The firm