00 cm 2.SU data to do the following forecasts. (9pts) a. Forecast the sales for September and October using the 5-month moving overage forecasting method. b. Forecast the sales for June and July using the 4-month weighted moving average forecasting method The weights are assigned in a sequence as follows:.4.3, 2.1/4 being assigned to the most recent period, then 3, 2, and.1 to the least recent period). c. If the forecast for March is 3,400, what are the forecasts for April and May using exponential smoothing with smoothing constant (a) of 67 t 1 2 3 4 5 Month January February March April May June July August September October November December 6 Actual Sales 3,000 3.400 3,700 4,100 4,700 5,700 6,300 7,200 6,400 4,600 4,200 3,900 7 8 9 10 11 12