The higher the price of a foreign currency, the more expensive that foreign country's goods and services are to individuals in the domestic economy

At its current production level, a monopolist's marginal revenue is $20 and its marginal cost is $10. Which of the following is CORRECT?

a. The monopolist should produce and sell more output. b. The monopolist should produce and sell less output. c. The monopolist is maximizing its profits at its current level of output. d. More information is required to decide if the firm needs to change its production.

Interest earned on personal savings accounts is currently subject to taxation. What may happen to economic growth in the United States if Congress passes legislation exempting this interest from taxation?