Answer:
The correct answer is letter "D": Total mileage for each use would not include the mileage from the other business use.
Explanation:
According to the Internal Revenue Service (IRS) tax filing rules, in the case one vehicle is used for multiple businesses, the vehicle operation expenses such as gas, oil, repairs, tires, insurance, registration fees, licenses, and depreciation can be subject of deduction according to the mileage used for each business separately.