Please enter complete the remaining columns table below using given forecasting Method. Compute MADs, MSEs, and MAPEs

exponential smoothing with alpha = .25 period 1 2 3 4 5 6 7 8 9 10 11 12 Actual sales 108 120 136 143 149 150 153 156 164 178 185 188 forecast error abs(forecast error) MAD square error MSE error/actual Abs(error/actual) MAPE