The purpose of the International Accounting Standards Board is to a. arbitrate accounting disputes between auditors and international companies. b. issue enforceable standards which regulate the financial accounting and reporting of multinational corporations. c. develop a uniform currency in which the financial transactions of companies through-out the world would be measured. d. promote uniform accounting standards among countries of the world.

Which of the following statements is (are) true? i. free entry to a perfectly competitive industry results in the industry's firms earning zero economic profit in the long run, except for the most efficient producers, who may earn economic rent. ii. in a perfectly competitive market, long-run equilibrium is characterized by lmc < p < latc. iii. if a competitive industry is in long-run equilibrium, a decrease in demand causes firms to earn negative profit because the market price will fall below average total cost.