8. Last year Carlito Olmstead drove 142,400 miles in the delivery van that he purchased 2 years ago for $22,565.00. It is now worth $10,320.00. HS variable costs this year were gasoline $28,365.21, oil and filters $598.10 2 sets of tires $897.60, battery $85.95, and maintenance $1,256.54. His insurance cost $2,884.26, registration was $159.65, and loan interest we $658.93. What was the cost per mile for an to operate his van?​