Refer to Fact Pattern 12-A2

Multiple Choice

Refer to Fact Pattern 12-A2.If CCC offers,as a reason for the extra $100,000,that extraordinary unforeseen difficulties will add consid?erable cost to the project,the agreement is

A) enforceable as an accord and satisfaction.
B) enforceable because of unforeseen difficulties.
C) unenforceable as an illusory promise.
D) unenforceable due to the preexisting duty rule.