Question: In the minimum flow problem we wish to send a flow f of minimum value from the source to the sink such that f satisfies

In the minimum flow problem we wish to send a flow f of minimum value from the source to the sink such that f satisfies the lower and upper bounds on every arc (lower bound l_ij 0 and well as an upper bound u_ij). How could you solve it using two applications of the Ford Fulkerson algorithm on modified graphs with no lower bounds? Thanks!

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