Consider the following actual (At) and forecast (Ft) demand levels for a commercial multilinatephone at Office Max The first forecast, F1, was derived by observing A1 and setting F1 equal to A1 l Subsequent forecasts were derived by exponential smoothing The smoothing constant ( ) used to derive the subsequent forecasts = (round your response to two decima) places). (Hint To determine use either the relationship for peniod 3 or 4 )