In a perfectly competitive market, if a resource that one firm utilizes is superior to resources used by other firms, and, as a result, lowers unit costs for the firm, that firm is likely to earn...

In a perfectly competitive market, if a resource that one firm utilizes is superior to resources used by other firms, and, as a result, lowers unit costs for the firm, that firm is likely to earn __________ in the short run. In time, however, the firms __________ curve will rise to reflect the superior-quality of the resource it employs and the firm will then earn __________.