Question: The following table shows sales for Nike (in millions of $) for the years 2005 through 2009
![1457_Year 1.png](https://secure.tutorsglobe.com/CMSImages/1457_Year 1.png)
a. Use the growth rates for 2005-2006, 2006-2007, 2007-2008, and 2008-2009 to calculate the average growth rate.
b. Calculate the average growth rate directly from sales.