Consider the monthly historical demand in units for ABC company as given in the below table: 1. Forecast the monthly demand for year 5 using the static method for forecasting. 2. Calculate the MAD, MAPE and MSE of the forecast. 3. Evaluate the quality of the forecast technique. BONUS QUESTIONS: 1. Forecast the monthly demand for year 5 using Winter's Model (trend- and seasonality corrected exponential smoothing) with =0.25,=0.1,=0.1. 2. Evaluate the MAD, MAPE and MSE of the forecast. 3. Which forecasting method of the two would you prefer? Why? Table: Monthly demand (in units) of ABC Company for the past 4 years