Using the data given below, calculate the 3 and 5 years moving averages. Year 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 Sales 2354 2380 2319 2469 2386 2569 2576 2763 2845 3001 Year 1999 2000 2001 2002 2003 2004 2005 2006 2007 2008 Sales 3108 3358 3076 3181 3222 3176 3431 3527 3638 3655