Sales for the past 6 months at Dalworth Company are given in the following table: Month July August September October November December Sales 54 63 55 37 33 30 What is the Mean Absolute Deviation (MAD) for August through December forecasts produced by using exponential smoothing with a 0.2? (Note: Do not round the forecasts, and choose the closest answer.) Multiple Choice 15.28 8.75 44.09 13.25