Answer: Federal aid
Explanation:
Federal aid helps students with the cost of tuition for everyone. It allows for students to keep out of major debt.
The biggest contributor to a 4 year university program being affordable is whether it is a public or private university
Public universities are run by the governments at the federal and state levels.
This makes them much more affordable compared to private univerisities because private universities are established to make profit while public universities are funded in a large part by the government and so don't need as much profit.
Find out more on university affordability at https://brainly.com/question/18928638.
