Which of the following is most likely if all firms in a perfectly competitive market produce a quantity that is both allocatively and productively efficient? Choose 1 answer: Choose 1 answer: (Choice A) Firms are making economic losses and more firms will exit this industry. A Firms are making economic losses and more firms will exit this industry. (Choice B) Firms are earning economic profits and more firms will enter this industry. B Firms are earning economic profits and more firms will enter this industry. (Choice C) The market is in long-run equilibrium. C The market is in long-run equilibrium. (Choice D) Firms will decrease their average total costs if they increase output D Firms will decrease their average total costs if they increase output (Choice E) The market supply will shift right E The market supply will shift right