Assume That the Forecast for the Last Period Is FIT_t

Assume that the forecast for the last period is FIT_t = 200 units, and recent experience suggests a likely sales increase of 10 units each period.Actual sales for the last period reached 230 units.Assume a smoothing coefficient of α = 0.20 and a trend smoothing coefficient of β = 0.10.Demand in period t _{+ 1} turned out to be 220.What is the adjusted forecast for period t _{+ 2} (choose the closest answer) ?

A) 227.3
B) 215.9
C) 217.3
D) 221.3