Audit Trails & Investigations — Assessment

Only prices Who did what, and when, across significant actions Only logins Nothing useful

Someone keeps a manual log Automatically, as a byproduct of normal work It is typed at month end By customers

Price, tax, discount Actor (who), action (what), and timestamp (when) Name, email, phone Colour, size, weight

Guess who did it Trace the record through its changes in the audit trail Delete the record Raise the price

It need not be If history could be rewritten, the record would prove nothing To save space To speed up the till