Whether or not you can find a feasible solution to a transportation problem using linear programming

Multiple Choice

is generally not affected by the number of paths $($i$.$e$.$ arcs$)$ between the nodes.

generally depends on the number of dummy nodes in the network model.

generally depends on whether the network model has more supply $($i$.$e$.$ source$)$ nodes than demand $($i$.$e$.$ destination$)$ nodes.

generally depends on whether there are an even number of paths $($i$.$e$.$ arcs$)$ between the nodes in the network model.