When a product fails to perform as warranted, this is called? a)product malfunction b)breach of warranty c)contractual liability d)malicious manufacture

B)Breach or warranty. Breach of warranty refers to the failure of a seller to fulfill the terms of a promise, claim, or representation made concerning the quality or type of the product. The law assumes that a seller gives certain warranties concerning goods that are sold and that he or she must stand behind these assertions.

answer; the terminally ill;