Fiona Owed Lutz $5,000

Multiple Choice

Fiona owed Lutz $5,000.As the result of an unrelated transaction,Lutz owed Bing that same amount.The three parties signed an agreement that Fiona would pay Bing instead of Lutz and Lutz would be discharged from all liability.The agreement among the parties is:

A) unenforceable for lack of consideration.
B) voidable at Bing's option.
C) an accord and satisfaction.
D) a novation.