Consider a sample of year-end prices for Alphabet, Inc. (Google) over a five year period. Google did not pay a dividend over the sample perioc YEAR PRICE 2012 $573.50 2011 $610.86 2010 $527.75 2009 $337.40 2008 $561.75 2007 $506.49 Calculate the variance in the returns. (express as squared percent. That is xxxx%^2 would be xxxx-xx)