Tiffany is unmarried and has a 15-year-old qualifying child. Tiffany has determined her tax liability to be $3,525, and her employer has withheld $1,500 of federal taxes from her paycheck. Tiffany is allowed to claim a $2,000 child tax credit for her qualifying child. What amount of taxes will Tiffany owe (or what amount will she receive as a refund) when she files her tax return?