Given the following historical demand, what is the 3-period (n=3) moving average forecast for Week 6? Week 1=2000 Week 2=4000 Week 3=6000 Week 4=8000 Week 5=10000 Week 6 = Predict using the 3 -period (n=3) moving average forecast Last Period Forecast: Ft+1=Dt where Ft+1= forecast for the next perio d,t+1 and Dt= demand for the current period, t Moving Average Forecast Weighted Moving Average Forecast Ft+1=ni=1nDt+1i Ft+1=i=1nWt+1iDt+1i where Ft+1= forecast for the next perio d,t+1 and Dt+1i= actual demand for the period, t+1i and n= number of most recent demand observations used in the forecast and Wt+1i= weight assigned to the demand in perio d,t+1i