Which of the following circumstances would most likely not violate the Integrity, Objectivity, and/or Confidentiality AICPA Code of Conduct standards in both fact and appearance?

Which of the following is the correct answer?

1. The CPAs brother is the controller of the company being audited.
2. The CPA is a paid consultant to a non-profit organization that has the CFO of an audit client on its board of directors.
3. The CPA borrowed money for a new car from the CEO of the company being audited.
4. The CPA owes an office building that he leases to the client