A bank's commitment to provide a firm with loans up to pre-specified limit at an interest rate that is tied to a market interest rate is called

If your business earns $10,000 in revenues, has explicit costs of $7,000, and implicit costs of $5,000, your economic profit is

A) $2,000. B) -$2,000. C) $5,000. D) $3,000.

For any particular period of time, say a year, the supply of exhaustible resources:

a. decreases infinitely with an increase in price. b. remains unaffected by any change in price. c. increases infinitely with an increase in price. d. increases to a certain extent with an increase in price. e. decreases to a certain extent with an increase in price.