Compare these methods by using the mean absolute deviation and mean absolute percent error performance criteria Does your analysis suggest that sales are trending and if so, by how much? 11 Period Sales 1 636 2 601 3 655 4 738 5 645 6 611 7 753 8 720 9 761 10 745 12 747 674 (1) Obtain the trend projection with regression forecast The forecast for week 13 is (Enter your response rounded to the nearest whole number) Specify the mean absolute deviation (MAD) and mean absolute percent error (MAPE). (Enter your responses rounded to two decimal places) MAD MAPE % (ii) Obtain the exponential smoothing forecast The forecast for week 13 is I (Enter your response rounded to the nearest whole number) Specify the mean absolute deviation (MAD) and mean absolute percent error (MAPE) (Enter your responses rounded to two decimal places) MAD MAPE % Based on MAD, the best method is Based on MAPE, the best method is