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Problem 5 - Use the data below to calculate two forecasts: 1) A 4 period Moving Average; 2) An Exponetial Smoothed forecast with an alpha of .2 What is the expected error for these two forecasting techniques? Which one do you recommend using?

	Actual
Month	Demand
January	1150
February	1480
March	1610
April	1500
May	1110
June	660
July	690
August	760
September	810
October	960
November	750
December	720
January	630
February	700
March	770
April	860
May	910
June	740
July	750
August	1000
September	1450
October	1760
November	1630
December	1200