In a minimum cost network flow model,the flow balance constraint for each supply node takes the form
A) Flow in
$\geq$ Flow out + Net supply
B) Flow out
$\geq$ Flow in + Net demand
C) Flow in = Flow out
D) Flow out
$\leq$ Flow in + Net supply
E) Flow in
$\leq$ Flow out + Net demand

Question

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The Answer of In a minimum cost network flow model,the flow balance constraint for each supply node takes the form
A) Flow in
$\geq$ Flow out + Net supply
B) Flow out
$\geq$ Flow in + Net demand
C) Flow in = Flow out
D) Flow out
$\leq$ Flow in + Net supply
E) Flow in
$\leq$ Flow out + Net demand

In a Minimum Cost Network Flow Model,the Flow Balance Constraint ≥\geq≥

In a Minimum Cost Network Flow Model,the Flow Balance Constraint $\geq$