Machines that have the following costs are under consideration for a new manufacturing process. Compute the Equivalent Annual Worth with an interest rate of 8%, compounded semiannually. The machine last 4 years First cost:$72,000 Semiannual operating Cost:$6,000 Semiannual incomes $18,000 Salvage value:$9,000 EAW = $7, 739 EAW = $21, 745 EAW = $318 EAW = $2, 285