Problem
Kalea quits her job, which pays $40,000 a year, to enrol in a two-year graduate program. Her annual school expenses are $30,000 for tuition, $2,000 for books, and $600 for food. What is her opportunity cost of attending the two-year graduate program?
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.