Answer:
a. a report on internal control
Explanation:
the sarbanes-oxley act was passed in 2002. This law serves to help protect investors and the public from fraud while giving financial reports by corporations. It was sponsored by Senator Paul Sarbanes and Representative Michael Oxley. This legislation is to help improve the reliability of corporations financial reporting as well as to help improve the confidence of shareholders and investors.
This act requires a report on internal control.