The company is in the $35\%$ tax bracket and assumes classical straight line depreciation for alternative comparisons performed at an after$-$tax minimum acceptable rate of return $($MARR$)$ of $7\%$ per year. A salvage value of zero is used when depreciation is calculated; however, system B can be sold after $5$ years for an estimated $20\%$ 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.

If the annual worth analyThe annual worth analysis for system B is determined to besis for system A is determined to be $$8590\mathrm{.}16.$ What is the annual worth analysis for system B is determined to be$?$