(a) Unless excluded or modified (AS 45.02.316), a warranty that the goods shall be merchantable is implied in a contract for their sale if the seller is a merchant with respect to goods of that kind. Under this section the serving for value of food or drink to be consumed either on the premises or elsewhere is a sale.
(b) Goods to be merchantable must at least
(1) pass without objection in the trade under the contract description;
(2) in the case of fungible goods, be of fair average quality within the description;
(3) be fit for the ordinary purposes for which the goods are used;
(4) run, within the variations permitted by the agreement, of even kind, quality, and quantity within each unit and among all units involved;
(5) be adequately contained, packaged, and labeled as the agreement requires; and
(6) conform to the promises or affirmations of fact made on the container or label.
(c) Unless excluded or modified (AS 45.02.316), other implied warranties may arise from course of dealing or usage of trade.