Sabine is a sophomore at California Community College. She paid $2,000 in tuition, $300 for books, and $150 for student fees. She also paid room and board of $2,500. For the calculation of the American Opportunity Tax Credit, what is the total qualifying educational expense for Sabine?

A. $2,000

B. $2,150

C. $2,450

D. $4,500