The scampini Supples Company recently purchased a new delivery truck. The new truck has an after-tax cost of 523,000 , and is expected to generate after-tax cash f lows of 35,250 per year, The truck has a 5 year expected Ife, The expected year end abandonmert values (after-tax salvage values) for the truck are given below, The cornpany's WACC is 9%. a. What is the track's optenal econioms life? Round your answer to the neares whole number. 1. Would the introduction of abandeniment values, in addtion to coerating coshi flows, ever reduce the expected ripv andior tRR of a project