Go to http://www.oanda.com click on Menu then Exchange Rates API and download data on the following currencies relative to the U.S. dollar: Malaysian ringgit, British (U.K.) pound, and the Chinese yuan. What are the exchange rates today (measured as foreign currency per U.S. dollar)? Among these currencies, which are fixed, which are floating, and which have shifted from fixed to floating over the past 25 years and why?