Trish is a self-employed CPA ,vho purchases an automobile for $72,000 and places it into service in 2018. Calculate Trish's current year MACRS depreciation deduction, assuming she does not elect Sec. 179 expensing, she elects out of bonus depreciation, and the half-year convention applies.
a. Trish uses the vehicle 60% for her business and 40% for personal purposes.

b. Trish uses the vehicle 40%, for her business and 60% for personal purposes.