AC=AVC
AR=AC
AR=MC
AR=MR
✅ The correct answer is D.
Under perfect competition AR=MR. If the market price is unaffected by variations in the firm’s output, then the firm’s demand curve, its AR curve and MR curve will coincide in the same horizontal line.
Under perfect competition AR=MR. If the market price is unaffected by variations in the firm’s output, then the firm’s demand curve, its AR curve and MR curve will coincide in the same horizontal line.