MONTH Here are the actual tabulated demands for an item for a nine-month period (January through September). Your supervisor wants to test two forecasting methods to see which method was better over this period ACTUAL MONTH ACTUAL January June 180 February 130 July March 150 August 130 April 170 September 140 May 160 110 140 a. Forecast April through September using a three-month moving average. b. Use simple exponential smoothing with an alpha of 3, to estimate April through September c. Use MAD to decide which method produced the better forecast over the six-mont period