Need this in 30 minutes !!!

Answers for each questions should be at least 5 sentences plus APA reference needed.

1. Briefly discuss the roles of each participant in the financial reporting supply chain.

2. Briefly discuss the six characteristics of skepticism, and the threats to skepticism.

3. Briefly discuss why it is important for an audit committee to exercise skepticism.

4. Briefly discuss the role of a Board of Directors in the Fraud Risk Management process.