Le premier concept important est celui du revenu marchand, qui comprend salaire et traitement, le revenu du travail autonome, le revenu de placements, le revenu du travail, les intérêts des comptes bancaires—tout ce qui provient du marché.
The first important concept is market income, which includes wages and salaries, self-employment income, investment income, earnings, interest on bank accounts—anything from the marketplace.