May/June 2026 Paper 13

2026 · 30 questions · 30 parts · 30 marks

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16Revenue Profit Profit MaximisationMedium1 mark
The diagram shows the total revenue (TR) and total cost (TC) of a firm in a market. At which level of output will the firm maximise profits?
total revenue and total cost diagram for a firm, cost and revenue on the vertical axis and output on the horizontal axis: TR is an arch that rises from the origin to a peak at output B and then falls, and TC starts above zero, rises slowly and then steeply; the curves cross at outputs A and C, and dashed vertical lines mark outputs A, B, C and D, where D lies beyond C with TC above TR