XYZ Corporation has a one-year contract to supply motors for all refrigerators produced by the IA Corporation. IA manufactures the refrigerators at four locations around the country: Boston, Dallas, Los Angeles, and St. Paul. Plans call for the following number (in thousands) of refrigerators to be produced at each location:

Denver tlanta 200 Chicago 150Shipped To Produced At Boston Dallas Los Angeles St. Paul Denver 18 13 10 Atlanta 20 17 13 Chicago 11 15 16Boston 100 Dallas 80 Los Angeles 100 St. Paul 70