explain de following situation

(2) North American Window (NAW) was formed, it had ten employees. These employees said at an operational meeting that they were concerned about the continued viability of the company. The Vice President, in an effort to get them to stay, said that in the event of a sale or merger, the original employees who were still there would get 5 percent of the value of any sale or merger. Seven of the employees were still there when the company was acquired. When they demanded their payment, the company responded that the promise was illusory and lacked consideration. Are they correct? Explain? (3) Newton borrowed $40,000 from Dr.Lizardo, and signed a promissory note promising to repay the money on December 15. On December 16, after catching all of the Black Friday sales to purchase Christmas gifts for his relatives, Newton was short on money. He sent Dr. Lizardoa check for $20,000. The check was marked "in full satisfaction of the loan obligation due December 15." Dr. Lizardoendorsed the check without making any other notations, and cashed it. On December 20, Dr. Lizardo sued Newton for the remaining $20,000 that was due on the loan. Who will win? Explain.