CAIE A-Level Economics 7.5.10 Profit calculations

CAIE A-Level Economics 7.5.10 Profit calculations
Cambridge International AS & A Level Economics 9708 syllabus for exams in 2026, 2027 and 20282026–2028

Practise calculating profit from revenue and cost data, including diagram areas for monopoly profit and normal profit output.

How this is tested

  • calculate total profit from AR, ATC and output in a cost-revenue table
  • use a monopoly diagram to select the rectangle measuring total supernormal profit
  • find the output where price just covers fixed and variable costs, giving normal profit

Question 4

[Maximum number: 1]

The table shows a firm's revenue and costs at different levels of output.

Table for Question 4 — CAIE A-Level Economics

What is the firm's total supernormal profit at the profit-maximising level of output?

A

-15

B

10

C

30

D

120