1. Flower Corp entered into a Trade Contract with Maximo Company, Inc. (Maxco) for the execution of the structural and partial architectural works of one of its condominium projects. The Trade Contract likewise provided that MS Maxco is prohibited from assigning or transferring any of its rights, obligations, or liabilities under the said Contract without the written consent of Flower Corp. Flower Corp received a letter from the counsel of Mr. Ferrer informing it that MS Maxco had already assigned its receivables from Flower Corp to him. Despite Ferrer's repeated requests, Flower Corp refused to deliver to Ferrer the amount assigned by MS Maxco. Is Flower Corp bound by the assignment between MS Maxco and Ferrer? Explain.
2. A borrowed from B Php1 million and agreed that in case of non-payment on the sate stipulated, A's house and lot would be sold to B for the amount of Php1 million. Is the stipulation valid? Explain.