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 Japanese central bank fixes its currency to the U.S.dollar and the demand for yen decreases,then the supply curve for yen will ________.If the Japanese central bank abandons its exchange rate manipulation policy,then the supply curve will ________.

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