Sec. 154.003. MANNER OF PAYMENT. The court may order that child support be paid by:
(1) periodic payments;
(2) a lump-sum payment;
(3) an annuity purchase;
(4) the setting aside of property to be administered for the support of the child as specified in the order; or
(5) any combination of periodic payments, lump-sum payments, annuity purchases, or setting aside of property.