LCA All Natural wants to forecast their August demand for their Kalamansi soap variant. The past 6 months sales are as follows:

Jan	600	April	800
Feb	540	May	690
March	730	June	575
NAIVE	3mos moving average	3mos weighted average	Expo smoothing
JULY

1. What is the forecast for July using the nave approach?
2. What is the forecast for July using a three-period moving average?
3. What is the forecast for July using a three-months weighted moving average with weights of 0.2 for April, 0.3 for May and 0.5 for June?
4. Calculate the July forecast using the exponential smoothing using = 0.20 as your smoothing constant