Question: After plotting the following demand data, a manager has concluded that a trend-adjusted exponential smoothing model is appropriate to predict future demand. REQUIRED: Use periods

After plotting the following demand data, a manager has concluded that a trend-adjusted exponential smoothing model is appropriate to predict future demand.

REQUIRED: Use periods 1 to 4 to estimate the initial smoothed trend and the actual value for period 4 to estimate the initial smoothed series. Use alpha = 0.4 and beta = 0.2 to develop forecasts for periods 5 through 7

Period	Actual
1	203
2	220
3	190
4	220
5	215
6	280
7

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