Your company may buy a used pick-up for $20,000. During the truck's five year useful life, it is estimated the firm will save $5,000 per year after all of the costs of owning and operating the truck have been paid. The truck's salvage value is estimated to be $3,000. Assume straight line depreciation and a tax rate of 35%. Assume r of 10%.Create a model that will calculate before-tax and after-tax cash flows.