Question: In the min-cost max- flow problem de ned on a directed network G = (N, A), the aim is to send the maximum amount of

In the min-cost max- flow problem de ned on a directed network G = (N, A), the aim is to send the maximum amount of flow from a node s to a node t at the minimum total cost. That is, among all maximum flows, nd the one with the smallest cost. Show how to formulate any minimum cost flow problem as a min-cost max- flow problem.

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