(2) This section does not limit or restrict the manner of calculating the loan finance charge, whether by way of add-on, discount or otherwise, so long as the rate of loan finance charge does not exceed that permitted by this section.
(3) If the loan is precomputed:
(a) The loan finance charge may be calculated on the assumption that all scheduled payments will be made when due; and
(b) The effect of prepayment, refinancing or consolidation is governed by the provisions on rebate upon prepayment, refinancing or consolidation contained in section one hundred eleven of this article.
(4) Notwithstanding subsection (1) of this section, the lender may contract for and receive a minimum loan finance charge of not more than five dollars when the amount loaned does not exceed seventy-five dollars, or seven dollars and fifty cents when the amount loaned exceeds seventy-five dollars.
(5) An assignee of a consumer credit sale contract may collect, receive or enforce the sales finance charge provided in said contract, and any such charge so collected, received or enforced by an assignee shall not be deemed usurious or in violation of this chapter or any other provision of this code if such sales finance charge does not exceed the limits permitted to be charged by a seller under the provisions of this chapter.
(6) Notwithstanding subsection (5) of this section, a residentlender who is the assignee of a consumer credit sales contract from a credit grantor in another state, and said contract was executed in such other state to finance a retail purchase made by the consumer when the consumer was in that other state, may collect, receive or enforce the sales finance charge and other charges including late fees provided in said contract under the laws of the state where executed. Such charge shall not be deemed to be usurious or in violation of the provisions of this chapter or any other provisions of this code.