Suppose a perfectly competitive firm in the short run sells its product for a price that is less than the
minimum point on its ATC curve. Which of the following statements is true?
a. The firm will shut down in the short run since it is not covering all of its costs.
b. Some firms in this industry will exit the industry in the long run, and the exiting will continue until the
market price increases and is equal to the break-even point on the ATC curve.
c. The firm will shut down in the short run only if the price is greater than the shutdown price but less than the
break-even price.
d. Some firms in this industry will exit the industry in the long run, and the exiting will continue until the
market price increases and is equal to the shut-down price on the ATC curve.