A B D E F G H | J K L M N 1 Flower Wholesaler - Simple Exponential Smoothing 2 ERRORS 3 Year Quarter Period Sales Level Forecast Et At bias MSE MAD Percent Error MAPE TS 4 0 5 1 1 98 6 || 2 106 7 III 3 109 8 IV 4 133 9 2 5 130 10 || 6 116 11 III 7 133 12 IV 8 116 13 3 9 138 14 || 10 130 15 III 11 147 16 IV 12 141 17 4 I 13 144 18 || 14 142 19 III 15 165 20 IV 16 173 21 5 | 17 22 || 18 23 III 19 24 IV 20 25 26 Alpha 0.1 27 Beta 0.1 28 25 26 Alpha 0.1 27 Beta 0.1 28 29 30 Holts Model 31 Year Quarter Period ERRORS Percent Sales Level Trend Forecast Et At bias MSE MAD Error MAPE TS 32 0 33 1 | 1 98 34 || 2 106 35 III 3 109 36 IV 4 133 37 2 | 5 130 38 || 6 116 39 III 7 133 40 IV 8 116 41 3 | 9 138 42 || 10 130 43 III 11 147 44 IV 12 141 45 4 | 13 144 46 || 14 142 47 III 15 165 48 IV 16 173 49 5 | 17 50 51 52 52 ==> 122 18 19 20