If you would like to add, edit, or delete a supplier bracket level, you can do so in Supplier Settings.
In Supplier Settings, select Supplier Bracket Levels.
Now select Add Level.
Type of Limit:
This field tells whether or not the associated value is a minimum or maximum Bracket level.
The number displayed in this field is either the minimum or maximum allowed, depending on what the associated Type field shows.
If you would like to edit a bracket level, select the “wrench” icon to the right.