If a firm has an average total cost of $55 and an average fixed cost of $10 for producing 5 units of output, then the total variable cost will be:

A tariff is a tax restriction on imported goods.

a. true b. false

The International Monetary Fund plays the key role of

A) providing deposit insurance for banks in its member nations. B) acting as lender of last resort for its member countries' central banks. C) providing loans to member countries to help finance development projects. D) enforcing international monetary agreements.