Problem 3-21 (Algo) The following table shows predicted product demand using your particular forecasting method along with the actual demand that occurred: FORECAST ACTUAL 1,496 1,546 1,396 1,490 1,695 1,596 1,745 1,645 1,795 1,695 Compute the tracking signal using the mean absolute deviation and running sum of forecast errors. Note: Negative values should be indicated by a minus sign. Round your "Mean Absolute Deviation", "Tracking Signal" to 2 decimal places and all other answers to the nearest whole number. Answer is not complete. Absolute S Period Forecast Actual Deviation RSFE Deviation Absolute MAD TS Deviation 1 1,496 1,546 508 508 50 & 50 & 2 1,396 1,490 94O 144 @& UG 144 @& 3 1,695 1,596 99 5@ 9@ 4 1,745 1,645 -100 @ 558 100 & 5 1,795 1,695 10| 155 100 &