A producer is in equilibrium when
- A.marginal revenue equals marginal cost and marginal cost is rising
- B.average revenue equals average fixed cost
- C.total revenue is at its maximum
- D.marginal cost is at its minimum
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Both conditions are needed. If marginal revenue exceeds marginal cost the firm gains by producing more, and if marginal cost exceeds marginal revenue it gains by producing less, so profit can be highest only where they are equal; and the equality must occur on the rising part of the marginal…
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