Consider the following data:

Yearly Sales at the Local Gift Shop (in Dollars)
Year 2000 2001 2002 2003 2004 2005 2006 2007 2008
Sales 579297
579297
711690
711690
501813
501813
616414
616414
677074
677074
703575
703575
733006
733006
614790
614790
668579
668579
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Step 1 of 2 : Find the two-period moving average for year 2004. If necessary, round to one more decimal place than the largest number of decimal places given in the data.