​Refer to Fact Pattern 8-1

Multiple Choice

​Refer to Fact Pattern 8-1. If Teatro says it is asking for the extra $250,000 because ordinary business expenses have increased, the agreement is

A) enforceable as the consideration is past.
B) enforceable because of unforeseen difficulties.
C) unenforceable as an illusory promise.
D) unenforceable due to the preexisting duty rule.