For the purpose of carrying into effect all or any of its powers, an export trading corporation may:
(1) Borrow money, evidence such borrowing with its promissory notes or other obligations of indebtedness, and pledge in whole or in part any of its assets or revenues not subject to prior liens or pledges.
(2) Issue and sell revenue bonds in the manner and upon the terms and conditions authorized by ORS 777.560 to 777.590.
(3) Purchase, negotiate and sell letters of credit, bills of lading, dock receipts, dock warrants, drafts and other documents of title as defined in ORS 71.2010 (2)(p).