Economic Life The Scampini Supplies Company recently purchased a new delivery truck. The new truck cost $22,500, and it is expected to generate net after-tax operating cash flows, including depreciation, of $6,250 per year. The truck has a 5-year expected life. The expected salvage values after tax adjustments for the truck are given below. The company's cost of capital is 6 percent. a. What is the optimal number of years to operate the truck? Do not round intermediate calculations. Round your answers to the nearest whole number. years b. Would the introduction of salvage values, in addition to operating cash flows, ever reduce the Economic Life The Scampini Supplies Company recently purchased a new delivery truck. The new truck cost $22,500, and it is expected to generate net after-tax operating cash flows, including depreciation, of $6,250 per year. The truck has a 5-year expected life. The expected salvage values after tax adjustments for the truck are given below. The company's cost of capital is 6 percent. a. What is the optimal number of years to operate the truck? Do not round intermediate calculations. Round your answers to the nearest whole number. years b. Would the introduction of salvage values, in addition to operating cash flows, ever reduce the