If International Fisher Equation holds, which of the following implications is/are true? O Funds with lower expected costs are possible but these carry exposure to currency risk. O Spot exchange rates will change in accordance with the differences in nominal interest rates between countries. O Forward exchange rate will be an unbiased predictor of future spot rate. O Nominal interest rate differential will be a biased predictor of the expected change in spot exchange rates between domestic and foreign currencies. O Investments with higher expected returns are possible but these entail currency exposure