Brig Dollar lives in Detroit and her son lives in Des Moins. They have a joint bank account at Chase Bank. On Sunday morning both of them go to their local Chase bank ATM at $9$ am to withdraw money. Exactly at $9\mathrm{.}05$ am they both enter their credentials to withdraw. Next what would happen $?$

The system ensures that transactions are executed in a manner that preserves the correctness of the database even when multiple operations are occurring simultaneously.

The system uses mechanisms such as locking, isolation levels, and transaction management, prevents them from completing the transactions at the same time

Since they have enough balance in their account and they have correct credentials, there won;t be any issues. They both get their money as they requested

The system sends an alram to bank security