Question: After 15 periods, trend-added exponential smoothing constant with alpha=0.3 and beta = 0.2 has yielded the following parameters Base 15 = 506.2 Trend 15 =

After 15 periods, trend-added exponential smoothing constant with alpha=0.3 and beta = 0.2 has yielded the following parameters Base 15 = 506.2 Trend 15 = -2.5 Calculate the expected total demand in periods 16, 17, and 18. We are looking for the sum of the three demand values. 506.2 1518.6 503.7 1503.6

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