t Sales 1 48 2 59 3 71 360 4 109 5 119 6 114 500 7 115 145 9 159 10 160 Sales 1590 940 2625 4 7 2500 1000 900 2000 2360 9 1850 10 1100 11 2930 12 2615 13 1970 14 1170 15 3150 16 2780 17 2180 18 1360 19 3250 20 2810 1 2500 3000 500 Sales Sales 13 14 15 16 17 18 19 20 Sales 1200 t Sales 1 1123 2 1157 3 1138 1100 4 1120 5 1130 1140 6 1132 7 1188 Sales 1140 1151 9 1129 1120 1100 10 1118 11 1125 12 1147 1080 10 Time Period 13 1162 14 1170 15 1137 t 1 Sales 75 Sales 50 3 63 4 60 5 71 6 84 7 63 9 53 30 10 43 20 11 54 10 12 50 Time Period 13 64 14 69 15 70 Sales 1 19.6 2 25.5 Sales 3 23.4 4 40.9 1 23.1 2 307 265 403 314 2 388 32 4 525 1 362 2 416 3 39.4 4 58.1 1 41.5 2 49 3 42.7 67.8 3 14 15 16 17 18 19 20