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Identify the correct statements from the following:

A. SMC curve cuts AVC curve from below at the minimum point of AVC

B. SMC curve cuts the SAC curve from below at the minimum point of SAC

C. Average fixed cost curve is upward sloping

D. LRMC curve cuts the LRAC curve from below at the minimum point of LRAC

Choose the correct answer from below:

Solution

✅ Correct Option: 4

Marginal cost curves always cut the corresponding average cost curves from below at their minimum points, so A, B and D are correct. The AFC curve is a rectangular hyperbola that slopes downward as output rises, so C is incorrect. Hence A, B and D only.

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