S.C. Code Ann. § 37-2-111: "Amount financed" defined.

"Amount financed" means the total of the following items to the extent that payment is deferred:

(1) the cash price of the goods, services or interest in land, less the amount of any down payment whether made in cash or in property traded in;

(2) the amount actually paid or to be paid by the seller pursuant to an agreement with the buyer to discharge a security interest in or a lien on property traded in; and

(3) if not included in the cash price:

(a) any applicable sales, use, excise, or documentary stamp taxes;

(b) amounts actually paid or to be paid by the seller for registration, certificate of title, or license fees; and

(c) additional charges permitted by this chapter (Section 37-2-202).