As an accountant for accompanying, which of the following activities, are you most likely to perform regarding a new system modification made to the companies, general ledger system within the companies production application system

Tessa modification in tests before the change of the production system

After the modification has been tested in the tests system and move the change to the production system

Implement access controls that prevent uses from accessing the program and relational database tables that were modded to implement the new system modification