Using the actual demand shown in the table below, and a 3-month weighted moving average with weights 0.1, 0.4, 0.5 (the heaviest weight applied to the most recent period). Find the demand for May.

Nov.	Dec.	Jan.	Feb.	Mar.	Apr.
39	36	40	38	48	46

Given the following information, Find the forecast for period two using exponential smoothing and a = 0.3.

Period	Demand	Forecast
1	64	59
2	70

Given the following information, calculate the forecast (round to nearest whole number) for period three using exponential smoothing and a = 0.4.

Period	Demand	Forecast
1	64	59
2	70