Using the data from Problem 9-20 plus the unit production costs shown in the following table, which locations yield the lowest cost?
Location Production Costs
Decatur ........... $ 50
Minneapolis .......... 60
Carbondale ........ 70
East St. Louis ....... 40
St. Louis ......... 50
In Problem 9-20 Don Levine Corporation is considering adding an additional plant to its three existing facilities in Decatur, Minneapolis, and Carbondale. Both St. Louis and East St. Louis are beingconsidered.

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FROM EXISTING PLANTS TO Blue Earth Ciro Des Moines Capacity DECATUR MINNEAPOLIS CARBONDALE DEMAND $20 $17 $21 250 20 200 150 FROM PROPOSED PLANTS TO Blue Earth Ciro Des Moines Capacity EAST ST. Louis $29 30 30 150 ST.LOUIS $27 28 31 150