EXTERNAL TRACTOR MAINTENANCE EXPENSE PER MILE (CF)

(Outside Vendor Truck Repair CF+Outside Vendor Repair Truck Tires CF)Total Miles CF\frac{(Outside\ Vendor\ Truck\ Repair\ CF+Outside\ Vendor\ Repair\ Truck\ Tires\ CF)}{Total\ Miles\ CF}

This EPI calculates your total external tractor parts and labor expense (CF) outside vendors, including external tire expense.