Statutory presumption refers to a rebuttable or decisive presumption brought about by a statute.

This is a "rebuttable presumption." This means that with the right evidence, the presumption of innocence can be overcome and a defendant found guilty.

That's interpretive based on income, extras, and rebuttable presumption.

After a court order adjustment, barring a successful Rebuttable Presumption.

Not as a part of the state guidelines, but possibly as a rebuttable presumption