Hello, I need help solving this question.

We start with a 3 percent real interest rate in the United States and in Japan. Next, the real interest rate in Japan falls to 2 percent, and the U.S. real interest remains constant. As a result,

A.the yen will appreciate, and the dollar will depreciate.

B.both the yen and the dollar will depreciate.

C.both the yen and the dollar will appreciate.

D.the yen will depreciate, and the dollar will appreciate.