For Which of the Following Reasons Does a Penetration Tester

For which of the following reasons does a penetration tester need to have a customer's point-of-contact information available at all times? (Choose three.)

A) To report indicators of compromise
B) To report findings that cannot be exploited
C) To report critical findings
D) To report the latest published exploits
E) To update payment information
F) To report a server that becomes unresponsive
G) To update the statement of work
H) To report a cracked password