a)The owner of The Chocolate Store Outlet wants to forecast chocolate demand. Demand for the preceding four years is shown in the following table. Calculate a 3-period moving average.

b) Calculate a 3-period weighted moving average (weights t=0.4, t-1=0.2, t-2=0.4)

c) Calculate a 4-period weighted moving average (t=.4, t-1=.3, t-2=.2 , t-3=.1)

d) Calculate an exponential smoothing forecast with =0.30.

Period	Demand	3 Period MA	3 Period WMA	4 Period WMA	Exponential Smoothing
1	81600
2	80500
3	79600
4	82200
5