Answer:
A. Actual Sales - Break-even sales
Explanation:
In business studies, Margin of safety (MOS) is the difference between actual/projected/budgeted sales and the level of break even sales. It is calculated by subtracting break even sales from projected or budgeted sales.
It is usually calculated by a company to know the level of percentage by which sales can drop in that company, before they start incurring losses. IT IS A MEASURE OF BUSINESS RISK.
