Assume that the market is originally in equilibrium. Now suppose that this product gains a sudden popularity among consumers. How will this sudden popularity affect the profit of an individual firm in this market in the short run? Choose one: A. The profit of an individual firm decreases from zero, and the firm will incur a loss. B. The profit of an individual firm decreases from a positive value to zero. C. The profit of an individual firm increases from zero to a positive value. D. The profit of an individual firm increases from a smaller positive value to a larger positive value.