According to Straightforward Interpretation of Most Organizations' Codes of Conduct

According to straightforward interpretation of most organizations' codes of conduct, which of the following does not constitute an ethical violation?

A) Taking orders for one's home-based food container business at the office during the work day
B) Photocopying a recipe booklet on the office copier
C) Using one's own cell phone to place personal calls at one's work station during lunch hour
D) Selling one's children's fundraising candy bars at work