Billing for an audit, or other cost-related items, would not be part of an audit scope statement and would instead be handled prior to the actual audit as part of the contract between the organization and auditors.
Reports, exclusions to the scope of the audit, and required certifications on behalf of the systems or auditors are all crucial elements of an audit scope statement.

Explanation
The cloud service business manager is responsible for overseeing business and billing administration, purchasing cloud services, and requesting audit reports when necessary

Explanation
WAFs detect how the application interacts with the environment, so they are optimal for detecting and refuting things like SQL injection and XSS. Password cracking, syn floods, and ransomware usually aren't taking place in the same way as injection and XSS, and they are better addressed with controls at the router and through the use of HIDS, NIDS, and antimalware tools.