2.3.2.3e - Break-even charts

Interpret break-even charts.

Use e - break-even charts to connect the rule to the data and decision in the question.

This matters because e - break-even charts determines what can be inferred or chosen; begin with the stated conditions and keep the conclusion tied to the evidence.

Example: apply e - break-even charts to one small, clearly defined case, show the key step or comparison, and explain the result in words.

Boundary: e - Break-even charts is not a universal recommendation. Check the syllabus scope, assumptions, units and the limits of the evidence before generalising.