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Actual demand data for hamburgers at a cafeteria are given in the table below: Week Actual Demand 1 400 380 411 415 393 374 410 OINc | MWW N 395 The manager is considering the following methods for demand forecasting. Write your final answer only (without intermediate steps) for the fill-in-the-blank questions. a. Naive method. The forecast for Week 9.2 Three-wrrk moving average method. The forecast for week 9 = Three-week weighted moving average method with weights of 0.7, 0.2 and 0.1, and more weight given to more recent data. The forecast for Week 9 =2 Exponential smoothing method with smoothing constant alpha a= 0.3. Suppose that the forecast for Week 1 is 400. The forecast for Week 3 =2