Speedy Parcel Service operates a fleet of delivery trucks in alarge metropolitan

Speedy Parcel Service operates a fleet of delivery trucks in alarge metropolitan area. A careful study by the companys costanalyst has determined that if a truck is driven 138000 milesduring a year the average operating cost is 14.8 cents per mile.If a truck is driven only 92000 miles during a year the averageoperating cost increases to 18.6 cents per mile.