A) A particular forecasting model was used to forecast a six-month period. Here are the forecasts and actual demands that resulted: FORECAST ACTUAL April 256 198 May 331 232 June 403 300 July 356 290 August 381 319 September 453 392 Find the tracking signal for each month. Note: Negative values should be indicated by a minus sign. Round your answers to 2 decimal places.

B) Is the model being used giving acceptable answers? multiple choice No, the model's performance is poor. Yes, the model's performance is good.