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 Actual Demand 1 2 59 57 4 55 4 52 5 52 6 53 7 53 8 54 9 56 10 55 11 52 Period 1 2 3 4 5 6 7 8 9 10 11 12 a = 0.2 a = 0.4 Forecast Forecast