data;

param T := 4;
set PROD := bands coils;

param:    rate  inv0  prodcost  invcost  backcost :=
  bands    200   10     10       2.5       1.5
  coils    140    0     11       3.0       2.0 ;

param: avail_min  avail_max  time_penalty :=
   1       35         42        3100
   2       35         42        3000
   3       30         40        3700
   4       35         42        3100 ;

param revenue:   1    2    3    4 :=
       bands    25   26   23   20
       coils    30   35   31   25 ;

param commit:     1     2     3     4 :=
       bands   3000  3000  3000  3000
       coils   2000  2000  2000  2000 ;

param market:     1     2     3     4 :=
       bands   6000  6000  4000  6500
       coils   4000  2500  3500  4200 ;