What Can a Business Do to Protect Itself from a Debtor's

Multiple Choice

What can a business do to protect itself from a debtor's attempt to create an accord and satisfaction by sending the creditor a check with "paid in full" written on it?

A) Rely on the doctrine of promissory estoppel to ensure such checks are not valid.
B) Issue only liquidated debts to debtors and include provisions in credit card statements prohibiting the issuance of unliquidated debt.
C) Sue the debtor for the remaining balance and argue there was insufficient consideration because there was no bargained for exchange when the check was sent "Paid in Full."
D) Nothing.Businesses must carefully review every check to avoid inadvertently creating an accord and satisfaction.
E) Notify debtors that any attempt to settle a claim for less than the amount owed must be sent to a particular address and/or a particular person.