Is NOT a limitation of the section 179 expense deduction? Business income limitation. O Dollar limitation. O Listed property limitation. O Qualified real property limitation. Mark for follow up Question 13 of 20. Roberta purchased a machine in 2013 and claimed a section 179 expense deduction on the total purchase price. In 2015, business use dropped below 50%. As a result of this drop, Roberta must O Stop taking any depreciation on the machine. O Recapture (add back into income) a prorated porion of that which was expensed and continue using general MACRS system. Recapture (ada back int income) a prorated portion of that which was expensed and change from general MACRS to a straight-line system. O Change nothing. Mark for follow up Question 14 of 20 Johnni placed the following items in desk; service during 2015: 1) February 3-a $2,000 machine, 2) June 1f and 3) November 10- a $5,000 computer system. No $179 expense