Based on the theory of Relative PPP, estimate the one-year spot rate of yen per dollar and calculate how much the dollar is expected to appreciate or depreciate over one year.
A current spot rate: ¥124.50/$
Expected inflation rates:
2% per annum in Japan
4% per annum in the U.S.
(Hint: Put Yen at the top of your diagram and put Dollar at the bottom of your diagram.)
Show the work