A B C D E F G H K M N O Month Seasonal Factor Regular Midgrade Premium Total (gal) Forecast Seasonalized Error Abs (error)/DemanForecast (Reg)Forecast (Mid)Forecast (Prem Jan 0.87 W July Feb 0.95 4 August Mar 1 ieptember Apr 1.05 October May 1.08 Jovember Jun 1.15 8 December Jul 1.13 January Aug 1.07 10 Sep 1.02 11 MAPE = Oct 0.94 12 Nov 0.89 13 What is the forecasting method Dec 0.85 that you are using? Put your 14 answer in the provided box: 15 16 2% for the correct calculation of deseasonalized numbers (for the total demand) 17 29% for the correct calculation of seasonalized final forecast numbers (for the total demand) 18 29% for the correct calculation of Abs(error)/actual demand percentages 19 2% for the correct calculation of the MAPE 20 29% for the correct calculation of the forecast for each one of the gasoline grades 21 22 Note: We will only check for the correct formulas (to see if they have done it correctly). Everybody will have 23 different numbers in their simulation. 24 25 26 All the columns for calculations are added here already. 27 29 30