 Parameters  Levels  Count 
 Number of jobs (N)  10, 20, 30, 50, 75, 100, 125, 150, 175 and 200  10  Processing time of jobs (P)  Uniform distributions
 2  Size of jobs (S)  Uniform distributions
 3  Tardiness cost (T)   1   Uniform distributions (0.7 × BP, BP)  1   Uniform distributions (0.6 × , 0.8 × )  1  Cap  10  1 
 Total number of problem instances  60 

