b) Use Mean Squared Error (MSE) evaluation method to select the best forecasting model for each customer. Report MSE of each forecasting model for each customer. 4 Month Moving Average Exponential Table 4 Mean Squared Error (MSE) Customer 1 Customer 2 Customer 3 Smoothing Trend Line (Regression) c) For each customer, put April's prediction of the best model in the table below: Table 5 Customer 1 2 3 April Demand