Estimate the beta of IBM using the 24 months of return data for the dates below. Look in Yahoo Finance.|For the market return, use the return below. The return dated 20090131, for instance, is the return from holding a stock from the beginning of January 2009 to the beginning of February 20091 200906 0.43 200907 7.72 200908 3.32 200909 4.08 200910 -2.59 200911 5.56 200912 2.75 201001 -3.36 201002 3.40 201003 6.32 201004 2.00 201005 -7.89 201006 -5.56 201007 6.92 201008 -4.77 201009 9.54 201010 3.88 201011 0.61 201012 6.82 201101 2.01 201102 3.49 201103 0.48 201104 2.90 201105 -1.27