Which of the following is an example of an unethical business communications practice?

Which of the following is an example of an unethical business communications practice?

forwarding a note from a superior containing derogatory language to the human relations department

quickly alerting a manager of an emerging social media public relations crisis

spending extra time on a report to simplify complex language and visuals

notifying clients of product flaws and the company$$s plan to address them

failing to mention the loss of a key customer in an otherwise positive quarterly report