Which of these would NOT be a factor that would permit the existence of monopoly power?

Name: Which of these would NOT be a factor that would permit the existence of monopoly power?
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Question

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Diseconomies of scale would actually make it more difficult for a single firm to maintain monopoly power as their costs would increase as they produce more, making it easier for competitors to enter the market. A and B are both factors that could allow for the existence of monopoly power.

Which of These Would NOT Be a Factor That Would