Purchasers of iPod audio players brought a class action lawsuit against Apple, Inc. for breach of the implied warranty of merchantability. They alleged that the iPods were defective because they posed a risk of noise-induced hearing loss to users. The iPod is capable of producing sounds as loud as 115 decibels, and it contains batteries that last for twelve to fourteen hours. Do plaintiffs have a valid claim for breach of the implied warranty of merchantability?