Just what to know what is the home and foreign currency in this question, and could you plz explain why it is foreign currency or home currency(no need to answer the question, just an example.

Suppose three year deposit rates on Dollars and Swiss Francs are 12% and 7%, respectively. If the current spot rate for the Swiss franc is $0.3985, what is the spot rate implied by these interest rates for the franc three years from now?