Next, consider using a simple exponential smoothing model. In your analysis, test two alpha values 0.2 and 0.4. Use the same criteria for evaluating the model as in part 1. Assume that the initial previous forecast for the model using an alpha value of 0.2 is the past three-week average. For the model using an alpha value of 0.4, assume that the previous forecast is the past five-week average.