Please address the fact pattern. Discuss any possible causes of action

as well as relevant defenses. Only discuss relevant issues!  I am not as interested in your outcome (who will end up winning) as I am in how you use the law to support your points. Base your answer only on facts given. If additional information is needed, tell me that.
Bart was employed as assistant manager to Sav-On Drugs. He was accused of theft and embezzlement, which he admitted to, and was fired. The following day at company headquarters, he signed a contract promising to repay the company $2000. Bart made a payment of $741 and then stopped. Sav-On sued for the balance. Bart argues he signed the agreement under duress. Result?