3. (3 points) Frank Wright, an international fund manager, uses the concepts of purchasing power parity (PPP) and the International Fisher Effect (IFE) to forecast spot exchange rates. Frank Wright gathers the financial information as follows: Current rand spot exchange rate $0.067 Expected annual U.S. inflation 8% Expected annual South African inflation 10% Expected U.S. one-year interest rate 0.025% Expected South African one-year interest rate 2% Both interest rates given above are nominal interest rates. Calculate the following exchange rates (ZAR and USD refer to the South African rand and U.S. dollar, respectively). a. Using the IFE, the expected ZAR spot rate in USD one year from now. (1 point) b. Using PPP, the expected ZAR spot rate in USD one year from now. (1 point)