*PLEASE ANSWER* Which of the following describes a tariff? (1 point)

A.) The U. S. pays U. S. producers for every piece of machinery exported to the United Kingdom.

B.) The U. S. taxes each piece of machinery imported from the United Kingdom.

C.) The U. S. bans imports and exports of machinery to and from the United Kingdom.

D.) The U. S. limits the number of imported machinery from the United Kingdom.