Except as otherwise provided in AS 45.03, AS 45.04, and AS 45.05, a person gives value for rights if the person acquires them (1) in return for a binding commitment to extend credit or for the extension of immediately available credit, whether or not drawn upon and whether or not a charge-back is provided for in the event of difficulties in collection;
(2) as security for, or in total or partial satisfaction of, a preexisting claim;
(3) by accepting delivery under a preexisting contract for purchase; or
(4) in return for consideration sufficient to support a simple contract.