According to the theory of purchasing power parity, if the inflation rate in Japan is lower than

Question:

According to the theory of purchasing power parity, if the inflation rate in Japan is lower than the inflation rate in Canada, what should happen to the exchange rate between the Japanese yen and the Canadian dollar in the long run?

Exchange Rate
The value of one currency for the purpose of conversion to another. Exchange Rate means on any day, for purposes of determining the Dollar Equivalent of any currency other than Dollars, the rate at which such currency may be exchanged into Dollars...