Norton's historical dividends are shown below. Find the required rate of return for this stock, assuming the future dividend growth rate will remain the same and the company has an infinite horizon. Assume the January 1, 2011 price of the stock was $36. What was the required return for Norton's stock? Year Dividend 2009 2005 $1.01 2006 $1.07 2007 $1.12 2008 $1.31 2010 $1.65 $1.45 What was the estimated annual required return for Norton's stock? % (Round to two decimal places.)