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which of the following curves is not U shaped

which of the following curves is not U shaped
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Marginal cost curve
  • B Average fixed cost curve
  • C Average total cost curve
  • D Average variable cost
Correct Answer: Option B
Explanation:
The average fixed costs AFC curve is downward slopingbecause fixed costs are distributed over a larger volume when the quantity produced increases. AFC is equal to the vertical difference between ATC and AVC. Variable returns to scale explains why the other cost curves are U-shaped.

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