Syg Company has collected the following sales data.

Month 1 2 3 4 5 6

Demand 15 12 13 17 15 19

What would the forecast for the 6th month if made at the end of 5th month, using exponential smoothing with = .2 and a forecast for 1st month of 11 units?

Whats the three-period moving average forecast for month 5 made at the end of month 4?

If the base at the end of month 4 were 15 and the trend at the end of month 4 were 4 (= 0.2, = 0.4), what would be the forecast for month 6 made at the end of month 5?