Under Armour, Inc is an American supplier of sportswear and casual apparel. Following are selected financial data for the company for the period 2009-2013 2009 2011 2012 5.9 6.5 100.0 Profit margin (5) Retention ratio) Asset turnover (X) Financial leverage (X) Grouth rate in sales (%) 100.0 2010 6. 100.0 1.5 1.6 26.0 100.0 1.5 1.6 1.5 1.7 2013 6.9 100.0 1.4 1.8 28.9 19.9 1.8 40.2 a. Calculate Under Armour's annual sustainable growth ate for the years 2009 through 2013. (Round your answers to 1 decimal place.) Sustainable Growth Rate Year 2009 2010 2011 2012 2013