6.34 An electric automobile can be purchased for $25,000. The automobile is esti- womated to have a life of 12 years with annual mileage of 20,000 miles. Every three TOU years, a new set of batteries will have to be purchased at a cost of $3,000. The 0,007 $3,000 cost of the batteries is a net value with the old batteries traded in for the 02 new ones. Annual maintenance of the vehicle is estimated to cost $700. The cost hong of recharging the batteries is estimated at $0.015 per mile. The salvage value of the batteries and the vehicle at the end of 12 years is estimated at $2,000. Consider the MARR to be 7%. What is the cost per mile to own and operate this vehicle according to these estimates? nothermal