A firm is considering replacing the existing industrial air conditioning unit. They will pick one of two units. The first, the AC360, costs $26,568.00 to install, $5,121.00 to operate per year for 7 years at which time it will be sold for $7,012.00. The second, RayCool 8, costs $41,345.00 to install, $2,007.00 to operate per year for 5 years at which time it will be sold for $9,014.00. The firms cost of capital is 6.42%. What is the equivalent annual cost of the RayCool8? Please show working.