Derek Tosh and Yen-Dollar Parity. Derek Tosh is attempting to determine whether US/Japanese financial conditions are at parity. The current spot rate is a flat 89.00/$, while the 360 -day forward rate is 784.90/$. Forecast inflation is 1.103% for Japan, and 5.902% for the US. The 360-day euro-yen deposit rate is 4.703%, and the 360 -day euro-dollar deposit rate is 9.498% a. Calculate whether international parity conditions hold between Japan and the United States. b. Find the forecasted change in the Japanese yen/U.S. dollar (\$/\$) exchange rate one year from now