Compute the forecast for 3Q 2012, 4Q 2012, 1Q2013 using exponential smoothing with a smoothing factor of .7. Given this information
Quarter Forecast Actual Demand 4Q 2010 200 220 1Q 2011 220 215 2Q 2011 215 210 3Q 2011 210 220 4Q 2011 220 225 1Q 2012 225 240 2Q 2012 240 255 3Q 2012 260 4Q 2012 270 1Q 2013