QUESTION\#2 50 MARKS All Foods supermarket has compiled sales of granola bars for the 12 months of 2022 as listed below 2.1 Develop a four-month moving average to forecast sales. 6 marks 2.2 Using 3,2, and 2 for the weights of the most recent, second most recent, and third most recent periods, respectively. Develop the three month weighted moving average forecast 9 marks 2.3 Develop the forecast for vacuum cleaners using exponential smoothing with a smoothing constant alpha of 0.3 12 marks