Monthly attendance at financial planning seminars for the past 24 months, and forecasts and errors for those months, are shown in the following table. Determine if the forecast is working by computing a tracking signal, beginning with month 10, updating MAD with exponential smoothing. Use an alpha value of 0.2. (Round all your calculations to three decimal points.) Month Attendi Forecast A-F 1 45 44 2 50 48 3 54 57 4 54 60 bk 5 47 55 6 43 40 7 36 39 8 29 27 9 21 27 ences 10 18 16 11 23 30 12 27 25 13 37 47 14 47 54 15 48 48 16 44 50 . 17 42 41 18 41 51 19 29 26 20 21 22233 9 4 7 4 4 10 12 24 13 22 13 12 Cumulative el MAD Cumulative Error Tracking Signal