Question 27 According to the Purchasing Power Parity.. has an effect on O the difference between the domestic and foreign Interest rates; the percentage difference between the current spot exchange rate and future spot exchange rate the sum of the real rate and inflation premium; the nominal rate of interest O the difference between the real rate and inflation premium; the nominal rate of interest. O the difference between the domestic and foreign interest rates; the forward premium or discount O the difference between the domestic and foreign inflation rates; the percentage difference between the current spot exchange rate and future spot exchange rate