y manufacturing plant manager must select a new irradiation system to ensure the safety of specific ingredients while being economical. The two alternatives available have the following estimates: 20,000 ife, Years The company is in the 35% tax bracket and assumes classical straight line depreciation for alternative c after-tax minimum acceptable rate of return (MARR) of 9% per year. A salvage value of zero is used when depreciation is calculated; however, system B can be sold after 5 years for anestimated 12% of its first cost System A has no anticipated salvage value. Determine which is more economical using an annual worth (AW) analysis worked by hand at an The annual worth analysis for system A is determined to be $ 116117 o The annual worth analysis for system B is determined to be $1198.48 System A is selected