[The following table shows the demand of a certain service part over the past eight quarters. Determine the forecasts for quarters 3 to 9' using 2 period moving averages [MA-2] and Exponential smoothing with ct = [1.4 [ES [(14)]. For ES [(14] calculations, assume naive forecast for period 2. Compare HELD, MSE and MAFE of the MEL-2 and wA] forecasts for quarters 3 to B. 1F.I"|u"hich forecasting method has been more accurate? Period Demand 1 2 3 4 5 3' E 9