Select the appropriate provisions of the Sarbanes$-$Oxley Acf $($SOX$)$ for each of the following descriptions.

$\backslash$table$[[$Descriptions$,$Major Provisions of the Sarbanes$-$Oxley A$],[$a$.$ Executives must personally certify the company's financial statements.$],[$b$.$ Audit firm cannot provide a variety of other services to its client, such as investment advising.$],[$c$.$ PCAOB establishes standards related to the preparation of audited financial reports.$],[$d$.$ Lead audit partners are required to change every five years.,$\backslash$table$[[$Auditor rotation$],[$Corporate executive accountability$],[$Internal control$],[$Nonaudit services$]]],[$e$.$ Management must document the effectiveness of procedures that could affect financial reporting.$],[],[]]$