Cory (31) may not be claimed as a dependent on anyone else's return. His filing status is single. During the year, he paid $4,200 in qualified student loan interest. His modified adjusted gross income prior to subtracting any deductions is $109,000. If he has no other adjustments to income, what is the maximum amount he may claim for the student loan interest deduction?

A. $0

B. $1,667

C. $2,500

D. $4,200