The Following Figure Depicts the Supply for Japanese Yen in the Foreign

The following figure depicts the supply for Japanese yen in the foreign currency exchange market. Use this figure to answer the following questions.
-If the United States central bank decreases the supply of U.S.dollars,the supply curve for yen will ________.If the exchange rate for yen falls,then the supply curve will ________.

A) shift rightward; shift leftward
B) shift leftward; shift rightward
C) shift rightward; also shift rightward
D) shift leftward; also shift leftward
E) not shift; not shift