After Performing a Security Assessment for a Firm, the Client

Multiple Choice

After performing a security assessment for a firm, the client was found to have been billed for the time the client's test environment was unavailable. The client claims to have been billed unfairly. Which of the following documents would MOST likely be able to provide guidance in such a situation?

A) SOW
B) NDA
C) EULA
D) BPA