David and Lilly Fernandez have determined their tax liability on their joint tax return to be $2,100. They have made prepayments of $1,900 and also have a child tax credit of $2,000. What is the amount of their tax refund or taxes due? Description (1) Total tax (2) Child tax credit (3) Prepayments Tax refund Amount $ 2,100 2,000 1,900