Machines that have the following costs are under consideration for a new manufacturing process. Compute the Equivalent Annual Worth with an interest rate of semiannually The machine last 4 years. First cost $72,000 Semiannual operating cost $6.000 Semiannual incomes: $18,000 Salvage value $9,000 EAW = $2, 265 EAW a $7, 739 EAW = $316 EAW = $ 21.745 Machines that have the following costs are under consideration for a new manufacturing process. Compute the Equivalent Annual Worth with an interest rate of semiannually The machine last 4 years. First cost $72,000 Semiannual operating cost $6.000 Semiannual incomes: $18,000 Salvage value $9,000 EAW = $2, 265 EAW a $7, 739 EAW = $316 EAW = $ 21.745