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.

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