Suppose there are no barriers to entry in the market for facial tissue, where two brands (Kleenex and Puffs) dominate the industry. According to the theory of contestable markets, the price charged for facial tissue will then be:
A) far below the cost of producing a box of facial tissue.
B) far above the cost of producing a box of facial tissue.
C) roughly equal to the cost of producing a box of facial tissue.
D) much higher for the number one-selling brand than it is for the number two-selling brand.