i. Which forecasting method is used to compute the sales forecast given in TABLE 1? (5 points) a) Weighted moving average method with weights 0.9, 0.05 and 0.05 b) 3-month moving average c) 4-month moving average method d) None of the above TABLE 1 Month Actual Demand 1 21 2 22 3 23 4 24 29 Forecasted Demand 22 23 v. Which method is the most appropriate method to use for demand forecasting based on the error measures given in the TABLE 4? (5 points) a) Averaging method b) Last value method c) Moving average method d) Qualitative method TABLE 4 Method MSE MAPE Averaging 1891.96 0.04 method Last value 1882.51 0.05 method Moving average 1891.02 0.03 method Qualitative method 1990.94 0.09 MAD 39.61 34.79 40.14 41.12 LAD 75.25 71.04 79.91 80.81