Question Completion Status: Based upon the following historical data, answer the following questions: a. Calculate the weighted three-month moving average forecast using weights of wl - 0.1,w2 -0.3, and w3 -0.6 for periods 4 to 12 b. Calculate the single exponential smoothing forecast for periods 2 to 12 using an initial forecast (F1) of 61 und an a of 0.30. c Use MAD to measure accuracy of the forecasting model. d. Which of the two forecasts would you prefer and why? Month Actual Demand Week Actual Demand Jan 48 Jul Feb 50 Aug 75 Mar 53 Sep 78 Apr 59 Oct 84 May 67 Nov 88 Jun 70 Dec 80 81 TTT Ariat 3 (12pt) T.: 5 1 Path: P Moderation with