Question: Formulate as a minimum cost network flow problem, and solve by inspection, the problem of finding a maximum flow from the specified source to the

Formulate as a minimum cost network flow problem, and solve by inspection, the problem of finding a maximum flow from the specified source to the specified sink in each of the following networks. Use capacities specified on the original digraph.

(a) Source 3, sink 2 in the network of Exercise 10-13

(b) Source 1, sink 3 in the network of Exercise 10-14

(c) Source 1, sink 4 in the network of Exercise 10-35

(d) Source 3, sink 2 in the network of Exercise 10-26

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