The United States dollar will appreciate compared to the Costa Rican peso under which of the following conditions?

Which of the following answer choices is correct? (Multiple Choice Question)

AThe Federal Reserve makes an open market purchase.

BThere is a negative balance in the current account.

CInterest rates increase in the United States.

DImports from Costa Rica increase as a result of CAFTA.

E There is an increase in immigration from Costa Rica to the United States.