A perfectly competitive firm is producing 50 units of output and selling at the market price of $23. The firm's average total cost is $20. What is the firm's total cost?

A system in which governments intervene in foreign exchange markets to limit but not eliminate exchange rate fluctuations is referred to as

A. Balance-of-payments exchange rates. B. Managed exchange rates. C. Speculative exchange rates. D. Marginal exchange rates.

Operations of the Trading Desk of the Federal Reserve Bank of New York are typically conducted

A. no more often than once per month. B. within a one-hour period during each day. C. once a year. D. no more often than once per week.