Year between 2001 and 2004 Sales millions of dollars 1998 1999 201 219 2000 2001 2002 2003 2004 2005 2006 233 245 251 251 252 243 233 e table above gives the annual sales in millions of dollars of a product from 1998 to 2006 What was the average rate of change of annual sales between 2001 and 2002