Section 4: Currency Crises (22 points total) On June 23, 2016, the U.K. electorate voted to pull Great Britain 'om the European Union. The value of the British pound immediately moved 'om $1.479!) to 951.3235. A. By what percentage did the pound depreciate against the U.S. dollar? By what percentage did the dollar appreciate against the pound\"? (5 points) B. Assume (i) the historical annualized volatility of the USDIGBP exchange rate is approximately 8%, (ii) the expected move in the USDIGBP exchange rate is random from day to day and is therefore essentially 0%, and (iii) there are 256 business days in a year. If we consider the pound's fall described above to have occurred over the course of one day, by howr many standard deviations did it move. (10 points}