A delivery company is implementing a system to compare the costs of purchasing and operating different vehicles in its fleet.  Truck 415 is driven 125,000 miles per year at a variable cost of $0.13 per mile.  Truck 415 has a capacity of 28,000 pounds and delivers 250 full loads per year.  What amount is the truck’s delivery cost per pound?
  A. $0.58036 per pound.
  B. $1.72000 per pound.
  C. $0.00232 per pound.
  D. $0.00163 per pound.
  Answer:C
  C is corrent. The cost per pound is $0.00232 per pound [(125,000 miles × $0.13 per mile)/(28,000 pounds per load × 250 loads)].