Questions: a)       Use a = 0.3 to compute the exponential smoothing forecasts for the time series. b)      Develop the three-month moving average forecasts for this time series. c)       Calculate the MSE for each of the forecasting approaches in a) and b). Based on MSE, which forecasting approach provides more accurate forecasts? d)      For both approaches (three-month moving average and exponential smoothing), what is the forecast for month 16?