A power converters is under consideration for a specific aplication. An economic comparison is to be made using an interest of 12% and the following cost estimate have been obtained. Determine the anual equivalent cost of the alternative system

A power converters is under consideration for a specific application. An economic comparison is to be made using an interest of 12 % , and the following costs estimates have been obtained. Determine the annual equivalent costs of the alternative system. Purchase price: $20,000 Estimated service life: 9 years Salvage value: $5,000 Annual operating cost: $1,200 Oa. EAW -2215 Ob EAW 4,615 OC EAW-1,200 Od EAW4.615