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Rounding rule; throughout this problem. when your answers have several decimal olaces, round your answers to twa decimalplaces. Part a. According to the information given in the table above, first, using sirnple moving averoge method with N=2 to develop forecasts of demand for periods 3.5. Then calculate MAD of forecast errors for period) 3.5. That forecast for period 3 If 4 is The forecast for period 4 (F a) is The forecont for neriod 5 (F 1 is The MAD for beriods 3 s is Paat b. Using bouble exnonential smoothine method to de volop forecasts of demarid for feriods z-S Cakculate MinQ of Part b. Using double exponential smoothing method to develop forecasts of demand for periods 2-5. Calculate MAD of forecast errors for periods 3-5. Assume =0.9,=0.9,A1=22,T1=1, The forecast for period 2(F2) is The forecast for period 3(Fj) is The forecast for period 4(F4) is The forecast for period S(F,)3 is The MaD tor periods 3.5 is Part c. Which forecasting method is more appropriate in this context? Between the two methods, the more appropriate forecasting mathod is (Note: pleose input either "simple moving average" or "double exponentiat smopthing")