Google the web site for Pacific Exchange Rate Service. Click on \"Plot Interface\". Select as the \"Base Currency\" the Chinese Renminhi (the unit of which is the Yuan), and for the \"Target Currency" the US. Dollar. Under \"Choose Time Horizon\" select \"Exact Time Period", then 1 Feb 2005 for the \"Start Date" and 21 Jan 2009 for the \"End Date". Press \"Make Chart". What exchange rate regime do you think the Bank of China followed until July, 2005? Justify your opinion. You might find it useful to look at the RenminbiIUSD exchange rates for a year or two before July, 2005 and compare that to the exchange rates for the USD against other currencies for a year or two prior to July, 2005