in the Interest of J.A.J.

OPINION

HOLLIS HORTON, Justice.

This is an appeal from an order retroactively increasing a father’s court-ordered child support obligation. The child’s father, A.J., 1 appeals from the trial court’s order that found him in arrears and obligated him to pay $23,200.00 in retroactive child support. A.J. argues, in part, that the trial court abused its discretion by using only his immediate past wage information to calculate the entire amount due for the child’s past support. Because we agree the trial court failed to follow the statutory guidelines in calculating A.J.’s arrearage, we reverse and…