Daniel saved the life of Charlene's husband George, after he was involved in an accident. Charlene then signed and delivered to Daniel a written instrument which said, "In consideration of Daniel's having saved my husband George's life I promise herewith to pay Daniel the sum of $5,000." Would Daniel's saving of George's life be viewed as sufficient consideration for Charlene's promise to pay Daniel $5,000? a) Yes, because Charlene materially benefited from his act. b) Yes, because Charlene was now morally obligated to Daniel because of his act. c) No, because there was no certain value that could be assigned to Daniel's act. d) No, because Charlene had not asked Daniel to save George