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 a positive value to zero.
b. the profit of an individual firm decreases from zero, and the firm will incur a loss.
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.