Consider the following time series data. Month 2 3 ON Nalue 24 13 20 112 19 23 15 In the following image and using Excell, the Exponential Smoothing method (a = 0.5) method to forecast the next period is being applied: B D E F G Method: Exponential Smoothing method (a) = 0.5 Square Month Value forecast Error Error 1 24 2 13 24 -11.00 121.00 3 20 4 12 1.00 11.00 121.00 5 19 1.10 17.90 320.41 6 23 1.50 21.50 462.25 7 15 1.90 13.10 171.61 MSE: O ON AN In the image, some of the cells are highlighted, the forecast, error, and squared error for period 3 and the cell that calculates MSE. Select the right answer for each of the highlighted cells: forecast error. squared error. MSE