Arizona Plumbing wants to evaluate unused shipping routes.

APPROACH c Start with Example C1’s Figure C.3 and follow the 5 steps listed above. As you can see, the four currently unassigned routes are Des Moines to Boston, Des Moines to Cleveland, Evansville to Cleveland, and Fort Lauderdale to Albuquerque.

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To (A) (B) From Albuquerque Boston (C) Cleveland Factory capacity $5 $4 $3 (D) Des Moines 100 100 $8 $4 $3 (E) Evansville 200 100 300 $9 $7 $5 (F) Fort Lauderdale (100 200 300 Warehouse requirement 300 200 200 700 Means that the firm is shipping 100 bathtubs from Fort Lauderdale to Boston