GreeLeaf Farms, NC supplies fresh fruit retailers throughout the Southeast 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 or 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 months. Assume MAD is

Month Forecast Actual

Between Months, the highest tracking signal observed was