2. Forecasts and actual Boeing (BA) stock prices for the past five days were: (24 pts) Forecasts: Mon $370, Tues $375, Wed $370, Thur $367, Frid $375; Actual: Mon $375, Tues $369, Wed $365, Thur $370, Fri $379. a. What is the MSE for the forecasting? b. What are the moving average forecasts for BA stock using k = 2? c. What are the moving average forecasts for BA stock using k = 3? d. Based on MSE value, considering these three forecasts, which one is the best