3.3.2.1a - Formulae to calculate and understand the relationship between: • total revenue •

Formulae to calculate and understand the relationship between:; total revenue; average revenue; marginal revenue.

Use a - formulae to calculate and understand the relationship between: • total revenue • to connect the rule to the data and decision in the question.

This matters because a - formulae to calculate and understand the relationship between: • total revenue • determines what can be inferred or chosen; begin with the stated conditions and keep the conclusion tied to the evidence.

Example: apply a - formulae to calculate and understand the relationship between: • total revenue • to one small, clearly defined case, show the key step or comparison, and explain the result in words.

Boundary: use the formula and units given in the question, show the substitution and interpret the result; the calculation alone is not the conclusion.