Given the following demand data, compute a simple exponential smoothing forecast for alpha values of 0.2 and 0.4. Use the actual value in Period 1 as your starting forecast in Period 2. (Round all your calculations to two decimal points.) Period 1 2 Actual Demand 57 56 4 4 55 55 52 51 51 B 50 9 47 10 49 11 46 X Answer is complete but not entirely correct. 004 a02 Forecast Perod Forecast 1 2 3 57.00 56 80 % 56.08 % 4 5 55 64 6 7 5700 56 80 56.44 56 15 56,32 54.45 53.75 53.00 51.80 51 24 50.193 8 54 18 % 52.90 52.13 51 27 49.56 3 9 10 11 49 33 12 48.00