The following situations involve the provision of non-audit services: 1. Providing bookkeeping services to a public company. The services were preapproved by the audit committee of the company. 2. Providing internal audit services to a public company audit client with the preapproval of the audit committee. 3. Providing advice to a private company client on accounting for a merger with another private company. 4. Providing bookkeeping services to a private company. The source documents were prepared and authorized by the client. 5. Providing internal audit services to a public company that is not an audit client. 6. Implementing a financial information system designed by management for a private company. 7. Recommending a tax shelter to a client that is publicly held. The services were preapproved by the audit committee. Required: Indicate whether providing the service is a violation of AICPA rules or SEC rules including Sarbanes- Oxley requirements on independence. Explain your answer as necessary.