1. (1) That the General Assembly does not intend a result that is absurd, impossible of execution or unreasonable.
2. (2) That the General Assembly intends the entire statute to be effective and certain.
3. (3) That the General Assembly does not intend to violate the Constitution of the United States or of this Commonwealth.
4. (4) That when a court of last resort has construed the language used in a statute, the General Assembly in subsequent statutes on the same subject matter intends the same construction to be placed upon such language.
5. (5) That the General Assembly intends to favor the public interest as against any private interest.

In ascertaining the intention of the General Assembly in the enactment of a statute the following presumptions, among others, may be used: