Explain the Benefits of Adopting an REA

Problem 1- I need help with explaining of the benefits of adopting an REA approach to information systems compared to a traditional approach.

Problem 2- Discuss the general functionality and key elements of ERP systems and understand of the key considerations and risks associated with ERP implementation.

Problem 3- Explain the Internal control system, its role in a business and its significance in the auditing process.

Problem 4- Discuss the use of computer assisted auditing techniques within GAAS, PCAOB, and COSO requirements for audits of publicly traded companies.

I need help to provides advantages of REA over internal controls, role of CAAT in auditing, traditional accounting process and discusses ERP implementation.