The table below gives the annual sales (in millions) of a product. 1998 1999 2000 2001 2002 2003 314 349 374 389 269 year sales What was the average rate of change of annual sales a) between 2003 and 2004? b) between 2003 and 2005? 2004 2005 2006 394 389 374 349 millions of dollars/year millions of dollars/year

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