(a) The following series represent the average price of The Walt Disney Company (DIS) over a nine-week period: Weck Security Price (s)- DIS 105.50 108.15 101.19 106.63 104.50 93.88 96.40 85.98 102.52 2 3 4 5 6 7 8 9 TURN OVER Determine the forecasted values using exponential smoothing method with smoothing constants a=0.1 and a = 0.4. Which smoothing constant appears to provide the more accurate forecasts based on MSE? Explain. 17 marks