Historical demand for Peeps is as displayed in the table. Month Demand January 11 February 18 March 31 April 39 May 44 June 53 July 67 August 82 September 96 Develop forecasts from June through October using these techniques: moving average of two period, simple exponential smoothing with an alpha of 0.8, and Holt's method with alpha=0.2 and beta=0.1. For the exponential smoothing model assume that the forecast for May is the actual demand for May. For Holt's model, the level and trend for May are assumed to be 44 and 12. Judge which forecast method is the best based on MAD.