Bariven, s. a., agreed to buy 26,000 metric tons of powdered milk for $123.5 million from absolute trading corp. to be delivered in shipments from china to venezuela. after the first three shipments, china halted dairy exports due to the presence of melamine in some products. absolute assured bariven that its milk was safe, and when china resumed dairy exports, absolute delivered sixteen more shipments. tests of samples of the milk revealed that they contained dangerous levels of melamine. did absolute breach any implied warranties?