28. For a monopolistically competitive firm in long-run equilibrium: a. price will equal marginal cost. b. price will equal average total cost. c. marginal revenue will exceed marginal cost. d. economic profits will be some positive amount.

28. For a monopolistically competitive firm in long-run equilibrium:
a. price will equal marginal cost.
b. price will equal average total cost.
c. marginal revenue will exceed marginal cost.
d. economic profits will be some positive amount.

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