Transportation Problem Plants Warehouses 45 80 250 回回后面 Sunnyvale 420 380 Amarillo 280 78 国日口a 120 Teaneck 47 Dublin 面日口a Chicago 95 55 国口回运 国里▣ Bangkok Sioux Falls Fig.6-2 Pear Disk Drive Transportation ProblemTransportation Problem Fig.6-2 Pear Disk Drive Transportation Problem 80 78 47 55 45 120 95 250 420 380 280