4 # of supply nodes. Corresponding to M 6 # of demand nodes. Correspoding to N 30 10 45 30 supplies of each source M 25 20 6 7 22 35 demands of each destination N 30 11 5 35 8 29 transportation cost from 2 5 2 5 1 9 supply node i to demand node j 35 20 6 40 8 33 19 2 4 30 10 25