answer both the questions with explanation

Q4. Annual revenue (in million dollars) earned by the CrazyNet are provided below. Year 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 Sales 9 10 12 18 16 15 16 12 11 10 (a) Obtain forecast for the year 2011 and 2012 by using 2-MA and Exponential smoothing 3+1 with w=0.8. Why one of these two methods would perform better if true sales is $10 million in 2012? (b) Visualize the trend component that you have obtained in (a) and comment on the preferred 2 trend model for this data