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Perfect competition foundational concepts

AP.MICRO: PRD‑3 (EU), PRD‑3.A (LO), PRD‑3.A.1 (EK), PRD‑3.A.3 (EK), PRD‑3.A.4 (EK)

Google Classroom

Which of the following best describes the profit-maximizing rule for a perfectly competitive firm?

(Choice A)
Choose the quantity where marginal revenue equals average total cost.
(Choice B)
Choose the price where its marginal revenue is highest.
(Choice C)
Choose the quantity where marginal cost equals average total cost.
(Choice D)
Choose the quantity where marginal cost equals price.
(Choice E)
Choose the price where average total cost equals average revenue.