Using the spreadsheet data below, determine the compound annual average return for Berkshire Hathaway for the last 10 years and the last 5 years: Year-End Price 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 $ 75,600.00 $ 72,750.00 $ 84,250.00 $ 87,900.00 $ 88,620.00 $ 109,990.00 $141,600.00 $ 96,600.00 $ 99,200.00 $ 120,450.00 $ 114,755.00