Q. Consider following actual and forecast demand levels for Burger King Whopper sandwich at a local Burger King restaurant:
Day Actual Demand Forecast Demand
Monday 88 88
Tuesday 72 88
Wednesday 68 84
Thursday 48 80
Friday
Forecast for Monday was derived by observing Monday's demand level and setting Monday's forecast level equal to this demand level. Subsequent forecasts were derived by using exponential smoothing with a smoothing constant of 0.25 using this exponential smoothing method, what is forecast for Whopper sandwich demand for Friday?