model steelT.mod;
data steelT.dat;

set AVAIL3;
param avail3_obj {AVAIL3};
param avail3_dual {AVAIL3};

let AVAIL3 := avail[3] .. avail[3] + 15 by 5;

option solver_msg 0;

for {a in AVAIL3} {

   let avail[3] := a;

   solve;

   let avail3_obj[a] := total_profit;
   let avail3_dual[a] := time[3].dual;
   }

display avail3_obj, avail3_dual;