According to the figure above, assume that foreign exchange rates are totally unpredictable, as some theories and empirical studies claim, so that the best prediction of the future spot rate is the current spot rate. which statement is NOT right?
A.
Back in 1982, you would suggest invest in U.S. dollar bills
B.
Back in 1986, you would suggest invest in Japan bills.
C.
Back in 1992, you would suggest invest in German bills.
D.
Back in 1997, you would suggest invest in Japan bills.