​Undetected errors can occur and might be discovered only through bank statement reconciliation

A) ​advantage of double-entry system over the single-entry system
B) ​characteristic of the single-entry system

Undetected Errors

Mistakes or faults in a process, system, or output that remain unnoticed or uncorrected.

Bank Statement Reconciliation

The process of comparing one's personal or business financial records to the bank's records to ensure they match.

Double-entry Bookkeeping

A bookkeeping technique in which each transaction is recorded by entering corresponding and opposite amounts in two different accounts.