Given is a historical time series for job services demand in the prior 6 months. Month Demand 14 1 16 3 13 4 18 5 19 6. 17 a) The MAE based on the Exponential smoothing a = 0.2 method = (4 decimal places) %3D b) The MAE based on the 3 months moving average method (in 4 decimal places) d) Use MAE as an criterion to evaluate forecasting methods I (exponential smoothing, a= 0.2) and II (3 month moving average). The most accurate forecasting methods between I and Il is method %3D (enter I or II)