Consider the following actual and forecast demand levels for

Consider the following actual and forecast demand levels for Big Mac hamburgers at a local McDonald’s restaurant:

Day

Actual demand

Forecast demand

Monday

88

88

Tuesday

72

88

Wednesady

68

84

Thursday

48

80

Friday

   

The 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 the forecast for Big Mac demand for Friday?