What is the preferred method to handle an incorrect charge on a guest's bill?

What is the preferred method to handle an incorrect charge on a guest's bill?

• A. Deny any error and ignore it.
• B. Blame the POS system publicly.
• C. Apologize, correct the bill promptly, provide updated receipt, and ensure safe payment method.
• D. Remove the entire bill from system without notifying guest.

Answer: (C)