urgent! i need help on parts a-d

Consider the following gasoline sales time series. If needed, round your answers to two-decimal digits. (a) Show the exponential smoothing forecasts using a=0.1, and a=0.2. (b) Applying the MSE measure of torecast accuracy, would you prefer a smoothing constant of a a=0.1 or a =0.2 for the 9a50line sales time series? A smoothing conszant provides the more accurate forecast, with an overall MSE of (c) Are the results the same if you apply MAE as the measure of accuracy? A.T smoothing constant provides the more accurate forecast, with an overall MAE of (d) What are the resilts if MAPE is used? An smoothing constant provides the more accurate forecast, with an overall MAPE of Smoothing (b) Applvina the MSE measure of forecast accuracy, would you prefe (d) What are the results if MAPE is used? An smoothing constant provides the