Torts — Damages — Post-judgment interest — Accrual — Post-judgment interest on compensatory damages began to accrue on date of original final judgment, which was affirmed on appeal, where appellate court only reversed trial court’s order granting a new trial on the issues of wantonness and punitive damages, and trial court’s subsequent amended final judgment simply affirmed appellate mandate and reinstated jury’s original finding as it related to punitive damages