Which of the following statements is true?

A) If the United States imposes a tariff on Swiss chocolate imports, the price of chocolate in the Switzerland is likely to increase.
B) If the United States imposes a quota on Swiss chocolate imports, the price of chocolate in the United States is likely to increase.
C) If Switzerland imposes a "voluntary export restraint" on chocolate exports to the United States, the price of chocolate in the United States is likely to decrease.
D) all of the above

Voluntary Export Restraint

An agreement between exporting and importing countries where the exporter agrees to limit the quantity of goods exported to the importing country.

Quota

A quota is a government-imposed trade restriction that limits the number or monetary value of goods that can be imported or exported during a particular time frame.

Tariff

A tax imposed by a government on goods and services imported from other countries, intended to increase their price and make domestic products more competitive.