Jamison's Gross Tax Liability Is $7,000

Jamison's gross tax liability is $7,000. Jamison had $2,000 of available credits and he had $4,000 of taxes withheld by his employer. What is Jamison's taxes due (or taxes refunded) with his tax return?

A) $5,000 taxes due.
B) $1,000 taxes due.
C) $1,000 tax refund.
D) $3,000 taxes due.