expected family contribution, an acronym will say efc.is important number to focus on, that is what you are expected to pay at that college. gerri: terms it of money, getting free money, how much can i expect to get? >> depends on the school honestly. there is difference in sticker price. then, it is difference how much the school actually wants you as an applicant. that is where other scholarships come in, based on academic merit. gerri: people are surprised how much people typically get. they think they will pay full freight themselves. >> that is not true. a third of students pay full fair. a third will pay some financial aid. there are $150 billion worth of aid. there is a lot of money. you have to get that money working being savvy on process. >> did a great job on this one of the biggest confusions people reading reading this documentation, what is night merit-based money, academic prowess, s.a.t., act and need-based on fafsa form. gerri: gapping. tell me about that. >> difference between efc expected family contribution and what th