Brandon's Blueberry Farms, Inc. of Maine supplies fresh fruit retailers throughout the Northeast region of United States. In order to streamline costs, they forecast demand by month using Exponential Smoothing Model and also use the Tracking Signal to determine the performance of their forecasting model and anytime the Tracking Signal goes outside of (+4) or (-4) they reevaluate and change the smoothing constant alpha in their forecasting model. Here below are the forecasts and the actual demands for six months. Calculate the Tracking Signal for these 6 months. Month Forecast Actual 1 100 110 2 105 90 3 110 85 4 115 110 5 120 105 6 125 95 Between Months, 1-6, the highest tracking signal observed was Group of answer choices -5.33 0 1.0 2.75 1.25