Q1. Q2. Q3. Q4. Q3 Year 3 years ago 2 years last year this year next year Generate forecasts for each of the 4 quarters for the next year by using the following 4 forecasting methods. And compute MAD, MSE and RMSE for each of 4 methods. 8MA Exponential Smoothing with Alpha-0.8 Regression Method (Assume that the data do not contain the seasonal factor). (Use Excel Data Analysis for accuracy and time-saving.) Regression Method (Assume that the data contain the seasonal factor). Quarter 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 I 2 3 4 Non-seasonal. Demand. 38 84 98 66 44 80 106 62 48 88 124 72 54 92 148 126 04 Year 3 years ago 2 years ago last year this year next year Quarter 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 Seasonal Demand. 38 84 98 66 44 80 106 62 48 88 124 72 54 92 148 126