Tammy acquired an automobile for $20,000 on July 1, 2014. She used the automobile partially for business purposes during the 2014–2017 period. The percentage of business use is as follows: 2014, 70%, 2015, 70%; 2016, 40%; 2017, 35%. The automobile is 5-year recovery property, and

Tammy did not claim Sec. 179 expensing or bonus depreciation.

a. Compute the MACRS depreciation deductions for 2014–2017.

b. What amount of previously claimed depreciation deductions (if any) must Tammy recapture in 2017?