(a) Consider the following transportation problem. Solve for the opti› mal solution. In each successive tableau, show the values of (1) all flow variables, (2) all dual variables, (3) all reduced costs, and (4) the objective function.
(b) If we were required to ship 10 units from supply point 1 to demand point 1 (the cell with the unit cost of 10), by how much would the objective function change from its optimal value? Would it in› crease or decrease?
(c) How would the flows change if we had to ship 10 units from supply point 1 to demand point 1?
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