CASE 4: Sophie agreed to mow Reza's yard once a week for $50 per week throughout the summer. Sophie, however, was having trouble getting paid from Reza. On July 1 , Reza, gave Sophie a handwritten note stating "I, Reza Salehi, owe Sophie Smith $50 " On July 7, once again Reza did not have the money to pay Sophie what he owed her, so he again gave her a handwritten note stating. "I. Reza Salehi, promise to pay Sophie Smith or to bearer, the sum of $100 on Monday, July 22, 2022." Disgusted with Reza, Sophie assigned both handwritten notes to Vince, in payment of a debt. When Vince presented the documents to Reza on July 22, Reza refused to pay. Vince told him the documents constituted negotiable instruments, but Reza pointed out that he had not signed the documents with his signature at the end 4) CASE 4: Is the note witten on July 1 a negotiable instrument? Explain 5) CASE 4: Is the note written on July 7 a negotiable instrument? Explain