Model A Model B Model C New equipment cost $26844 $26640 $20859 Residual value $8365 $6182 $6869 Initial installations costs $4087 $5605 $6902 Initial training costs $1035 $8591 $7619 Annual maintenance costs $2406 $4897 $1652 Annual operating costs $6685 $6878 $2518 Annual utilities costs $6512 $9865 $7250 Annual employee wage costs $5000 $5000 $5000 Unique costs Model A Model B Model C New equipment cost Initial installation costs Initial training costs Total unique costs Recurring inclusive costs Maintenance costsUnique costs Model A Model B Model C New equipment cost Initial installation costs Initial training costs Total unique costs Recurring inclusive costs Maintenance costs Operating costs Utility costs Wage costs Less: Equipment residual value ? SOLVE ? Total recurring inclusive costs Total Unique & Recurring inclusive costs . The lifespan of all equipment options will be 3years