(a) A licensee may lend any sum of money not exceeding $25,000 and may charge, contract for, and receive on the loan interest at a rate not exceeding three percent a month on that part of the unpaid principal balance of a loan not in excess of $850; two percent a month on the unpaid principal balance exceeding $850 but not exceeding $10,000; and at a rate agreed by contract on the remainder of any unpaid principal balance exceeding $10,000 but not exceeding $25,000.
(b) Notwithstanding the provisions of (a) of this section, a licensee who makes open-end loans under this chapter may charge, contract for, and receive interest at a rate not exceeding three percent a month on that part of the unpaid principal balance of a loan not in excess of $850; two percent a month on the unpaid principal balance exceeding $850 but not exceeding $10,000; and at a rate agreed by contract on the remainder of any unpaid principal balance exceeding $10,000 but not exceeding $25,000.
(c) Interest on loans under (b) of this section shall be computed according to the actuarial method on the entire unpaid principal balance as determined under AS 06.20.285(b).