18. Marcia, who is single, finished graduate school this year and began repaying her student loan. The proceeds of the loan were used to pay her qualified higher education expenses. She has not received any type of educational assistance or scholarships. The amount of interest paid during the year amounted to $3,000. What is the amount and classification of her student loan interest deduction if her AGI is $73,000?

A. $3,000 for AGI

B. $2,500 for AGI

C. $2,000 for AGI

D. $500 for AGI