Isaac is a 20-year-old junior at Columbia University who will rely heavily on family support for living expenses. His estimated annual expenses are $11,494.20 which include $6,170 for on-campus housing, $4,200 for meals, $77.20 for personal items, $120 for clothing, $630 for entertainment, $117 for visiting family, and $1,180 for other costs like haircuts and gifts. As an unpaid intern with no car in New York City, he will use public transportation and activities provided by his student ID. Medical costs will be covered under his parents' insurance until age 26.