The margin of safety for a firm is $45,000, based on actual sales. This indicates that: (mark all that apply)

1.there is some level of cushion between the NOI for actual sales and the point where NOI equals $0.

2.the amount of actual sales over breakeven sales is positive.

3.the amount of breakeven sales over actual sales is positive.

4.Breakeven sales is $45,000.

5.The contribution margin ratio is different for the actual and breakeven sales.