In this chapter, "retail installment contract or evidence of indebtedness" means any contract or evidence of indebtedness arising out of:
I. A retail installment sale in which the goods purchased are used primarily for personal, household or family purposes; or
II. A loan or extension of credit payable in installments, or for which a finance charge is or may be imposed, in which the proceeds of the loan or extension of credit are used primarily for personal, household or family purposes.