set ORIG := GARY CLEV PITT ;
set DEST := FRA DET LAN WIN STL FRE LAF ;
set PROD := bands coils plate ;

param avail :=  GARY      20  
CLEV 15  PITT 20 ;

param demand (tr):
             FRA   DET   LAN   WIN   STL   FRE   LAF :=
    bands    300   300   100    75   650   225   250
    coils    500   750   400   250   950   850   500
    plate    100   100     0    50   200   100   250 ;

param rate (tr):  GARY   CLEV   PITT :=
          bands    200    190    230
          coils    140    130    160
          plate    160    160    170 ;

param make_cost (tr):
                  GARY   CLEV   PITT :=
          bands    180    190    190
          coils    170    170    180
          plate    180    185    185 ;

param trans_cost :=

 [*,*,bands]:  FRA  DET  LAN  WIN  STL  FRE  LAF :=
        GARY    30   10    8   10   11   71    6
        CLEV    22    7   10    7   21   82   13
        PITT    19   11   12   10   25   83   15

 [*,*,coils]:  FRA  DET  LAN  WIN  STL  FRE  LAF :=
        GARY    39   14   11   14   16   82    8
        CLEV    27    9   12    9   26   95   17
        PITT    24   14   17   13   28   99   20

 [*,*,plate]:  FRA  DET  LAN  WIN  STL  FRE  LAF :=
        GARY    41   15   12   16   17   86    8
        CLEV    29    9   13    9   28   99   18
        PITT    26   14   17   13   31  104   20 ;