Using the links below, conduct research of the Public Company Accounting Oversight Board (PCAOB) and specifically answer the following questions:
- What are the roles and responsibilities of the PCAOB?
 - What are the standards and rules designed to guide the auditor?
 - Summarize the deficiencies (findings) identified by PCAOB during its inspections of Grant Thornton in 2022.
 - Summarize the deficiencies (findings) identified by PCAOB during its inspections of MaughanSulivan LLC in 2023.
 - Summarize the deficiencies (findings) identified by PCAOB during its inspections of Deloitte Touche Tohmatsu in 2023.
 
https://pcaobus.org
Firm Inspection Reports | PCAOB (pcaobus.org)