Fact Pattern 12-2A Cut-Rate Construction Company (CCC) begins building a restaurant for Diners Restaurants, Inc., but after two months demands an extra $100,000. Diners agrees to pay. Refer to Fact Pattern 12-2A. If CCC offers, as a reason for the extra $100,000, that extraordinary unforeseen difficulties will add considerable cost to the project, the agreement is O enforceable as an accord and satisfaction. O enforceable because of unforeseen difficulties. O unenforceable as an illusory promise. O unenforceable due to the preexisting duty rule