An industrial loan company may:
(a) Loan money, secured or unsecured, with or without the pledge of its installment investment certificates.
(b) Collect and receive charges for loans in advance or otherwise.
(c) Purchase, sell, or discount the following obligations: bona fide trust receipts, secured or unsecured choses in action, conditional sales contracts, or security agreements.
(d) Purchase, sell, discount, or originate lease obligations.