on 5 MC ered ed out at TRAC 16 Price and con dollar per pizza no question MR O 100 200 300 400 Quantity (pleza per day! The figure above shows the marginal revenue and long run cost curves for a perfectly competitive firm. All other firms in the industry have identical curves. Which of the following statements is TRUE? Select one: O a. The firm's average cost exceeds the price. O b. None of the above is true O c The firm is earning economic profit. O d. Over time, firms will enter this industry