Based on the data provided here, calculate the items requested:

Annual depreciation $ $2,500$ Annual mileage $13,200$

Current year's loan interest $ $650$ Miles per gallon $24$

Insurance $ $680$ License and registration fees $ $65$

Average gasoline price $ $3\mathrm{.}50$ per gallon Oil changes$/$repairs $ $370$

Parking$/$tolls $ $420$

a$.$ Calculate total annual operating cost of the motor vehicle.

b$.$ Calculate operating cost per mile. $($Round your answer to $2$ decimal places.$)$