This is a business law question PLEASE I really need HELP !!! PLEASE answer ALL questions!!!! THANK YOU.

Which of the following is necessary in order to establish that a mutual mistake involving a basic assumption about the subject matter of a contract was made? The mistake involved whether a party could profit from the contract The mistake involved the existence, quality, or quantity of the items to be exchanged The mistake involved a misunderstanding regarding the applicability of the Uniform Commercial Code (UCC) to the contract The mistake involved whether a party could profit from the contract or whether a party misunderstood The mistake involved a misunderstanding regarding the applicability of the Uniform Commercial Code (UCC) to the contract The mistake involved whether a party could profit from the contract or whether a party misunderstood the time constraints involved in the contract The mistake involved the identity of parties to the contract or whether a party misunderstood the time constraints involved in the contract