Business finance bba 2nd sem mcq

Which of the given area is not addressed by business finance?
All of the given areas are addressed by Business Finance..
They don't have any obligation to be regulated according to business laws.. (below taxes and interest)..
Where the funds are required for a period of more than one year but less than five years, medium-term sources of finance are used.
These sources include borrowings from commercial banks, public deposits, lease financing and loans from financial institutions.

Which of the given area is not addressed by business finance?