Make that $40,000 per person in the household, not $120,000 per household. Family size differs greatly. If the value isn't per-person, then you make people grow

Make that $40,000 per person in the household, not $120,000 per household. Family size differs greatly. If the value isn't per-person, then you make people grow up in poverty and you drive the average family size down well below the replacement size.