Generalizations of the Transportation ·Infeasible Routes Eliminate routes from some sources to some sinks-Set the costs of these routes very high; Traditionally M is used to denote the very high cost.However,in practice,costs of these routes are assigned numbers much larger than the costs of other feasible routes,so that optimal solution will never assign flow to these routes.Generalizations of the Transportation • Infeasible Routes  Eliminate routes from some sources to some sinks=Set the costs of these routes very high;  Traditionally M is used to denote the very high cost. However, in practice, costs of these routes are assigned numbers much larger than the costs of other feasible routes, so that optimal solution will never assign flow to these routes