Given the following demand data, compute a simple exponential smoothing forecast for alpha values of 0.2 and 0.5. Use the actual value in Period 1 as your starting forecast in Period 2. (Round all your calculations to two decimal points.) Period Actual Denand 45 43 43 44 46 49 47 10 46 45 G015 0.2 Forecast Forecast Period 1 2 3 4 5 6 7 8 9 10 11 12