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 Attend 1 42 Forecast 41 2 47 43 3 51 54 4 51 50 5 46 55 6 43 41 7 37 37 8 33 27 9 26 27 10 23 29 11 30 32 12 34 34 13. 43 53 14 56 57 15 62 72 16 59 61 17 54 58 18 53 52 19 45 41 20 38 33 21 36 40 22 34 43 23 42 36 24 46 56 A-F lel Cumulative lel MAD Cumulative Error Tracking Signal