https://en.wikipedia.org/wiki/Earned_income_tax_credit
there are going to be headlines like "Walmart is subsidized". The EITC is one reason why the minimum wage wasn't raised for so long in the US.
The idea is that there are some workers (say teenagers working at the supermarket) who don't have to earn a "living wage" to support a family (if they did get a living wage then prices would go up and the living wage would be more and the cycle would repeat...) so rather than setting wages for them to be high enough to support a family we don't have, the government subsidizes people who are raising families on low incomes directly.