The following table shows the revenues (in millions of dollars)

The following table shows the revenues (in millions of dollars) for The Gap, Inc., and American Eagle Outfitters, Inc., for the years 2008-2010.
Source: Annual Reports for Gap, Inc., and American Eagle Outfitters, Inc.
Year.......................Gap.....................American Eagle
2008.....................$15.73................................$3.06
2009.......................14.53.................................2.99
2010.......................14.20.................................2.99
a. Calculate the average growth rate for each firm.
b. Which firm had the higher growth rate over the 2008-2010 period?