PRINCIPAL BALANCE COMPUTATION.
Tex. FIN Code § 345.059.
in effectThe principal balance of a retail installment contract is computed by:
(1) adding the cash price subject to the contract and the total of the contract's itemized charges, including a documentary fee authorized under Section 345.251 ; and
(2) subtracting the amount of the retail buyer's down payment in money and goods from the amount computed under Subdivision (1).
