Add a margin-of-safety line
Calculate and interpret margin of safety as the buffer between expected sales and break-even sales.
The risk line: show the distance between expected sales and break-even sales. Break-even tells you the threshold. Margin of safety tells you the breathing room. The formula is simple: expected sales minus break-even sales, often divided by expected sales to produce a percentage. The interpretation is managerial: how much can the plan miss before it stops producing profit? Convert fixed cost into a threshold Break-even sales equal fixed costs divided by contribution margin ratio. The higher fixed costs rise, the higher the threshold moves. Compare expected sales to the threshold A forecast that is barely above break-even may look profitable…
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