After plotting demand for four periods, a manager has concluded that a trend-adjusted exponential smoothing model is appropriate to predict future demand. The initial estimate of trend is based on the net chang.eof 30 for the three periods from I to 4, for an average of +10 units. Use ex = .5 and 13 = .4, and TAF of 250 for period 5. Develop forecasts for periods 6 through 10.

t Period At Actual

1 210

2 224

3 229

4 240

5 255

6 265

7 272

8 285

9 294

10

With given information and using trend-adjusted exponential smoothing model, what is the previous forecast plus smoothed error St for period 8?

		274.75
		284.88
		284.94
		294.94