20. Which of the following is not a benefit of a single currency? Select one: O a. increased price transparency O b. reduced transaction costs O c. reduced exchange rate uncertainty O d. lower interest rates 28. Which one of the following would likely lead to a fall in the value of sterling against the dollar? Select one: O a. a rise in UK interest rates O b. capital investment flows from New York to London c. a rise in US interest rates d. the Bank of England buying sterling for dollars