What is the margin of safety ( $ and % ) for this company

at is the margin of safety Sales (500 units) Less: variable expenses Contribution margin Less: fixed expenses Net operating income $ and o 0) fr this company? Total 250,000 150 ooo 100,000 80 ooo 20,000 Per Unit $ 500 300 $ 200 Percent 100% 600/0 400/0