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WAEC Economics 2003 Question 13

Question 13

Theory of Production

When the total product is at its maximum, marginal product is

  1. A.increasing
  2. B.positive
  3. C.negative
  4. D.zero
Show the answer and explanation

Answer: D (zero)

Explanation

TP stops rising when the extra unit adds nothing, so MP = 0 at maximum TP.