Could someone please explain how to do this 5 7 James INC Sa

Could someone please explain how to do this?

(5. 7)   James INC: Sales pattern (10yr period):

YR   Sales

2000    112, 000

2001    120 000

2002    135 000

2003    150 000

2004   140 000

2005    167 000

2006 204 000

2007 201 000

2008 224 000

2009 251, 000

2010 --

(1) Write trend line equation (for this data that will forecast for nxt year). (2000 = 0, 2001 = 1, and so on). Use this equation to forecast sales in yr 2010?

(1A) Utilize First Order Exponential Smoothing (w = 0.8) to forecast for yr 2010.

Solution