According to The IIA's Code of Ethics, which of the following actions violates the principle...

Accepting a consulting request in the IT department without possessing the requisite experience.

Providing personal tax preparation services for a fee for several employees during the lunch hour.

Providing a friend with the marketing strategic plan, which she will use to prepare her university thesis.

Agreeing to reword an observation to avoid the client complaining directly to the auditor's supervisor.