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What is the correct answer?


The long-run average cost is based on the fact that:

A. None of the factors are variable in the long-run

B. All factors are perfectly divisible in the long-run

C. None of the factors is divisible

D. Management factor is indivisible while all other factors are divisible and can be varied in long-run

Please do not use chat terms. Example: avoid using "grt" instead of "great".