Problem 3 Calculate the forecasts utilizing the following four techniques: 1. Moving average with 2 periods 2. Weighted moving average with 3 periods (weights 0.60 for most recent, 0.30 for next most recent, 0.10) 3. Exponential smoothing (alpha =0.15), you can use forecasts from either 1 or 2 above Period 1 2 3 5 6 7 Demand 648 590 631 769 745 856 760 8 9 10 962 990 1100