An internal auditor provides income tax services during the tax season. For which of the following activities would the auditor most likely be considered in violation of The IIA’s Code of Ethics?
a. Preparing, for a fee, a division manager’s personal tax returns.

b. Appearing on a local radio show to discuss retirement planning and tax issues.

c. Receiving a stipend for teaching an evening tax class at the local junior college.

d. Working on weekends for a friend who has a small CPA firm.