Dates the vhicl ws ued tof buinss; purpose of the trip; miles traveled for business; miles traveled for commuting; total miles the vehicle was driven the entire year for all purposes. 0 A mileage log is not needed. Taxpayer's may use an average of business miles per month to calculate the expense deduction. [] Mark for follow up Question 69 of 75 What is the maximum potential depreciation deduction for 2018 for a passenger automobile placed in service beginning January 1 with 80% business use, including bonus depreciation? O$18,000 O $16,400 O $14,400 $13,120 Mark for follow up Question 70 of 75. To apply expenses of more than one vehicle to a single business use O Only the actual expense method may be used. Reduct the expenses using the same method for both