Which of the Following Is an Example of Horizontal Communication

Multiple Choice

Which of the following is an example of horizontal communication?

A) A supervisor tells an employee that he has been performing poorly.
B) An employee explains to her boss why her performance has not been up to par recently.
C) The vice-president of marketing sends a memo to the vice-president of manufacturing.
D) The president of a college calls a meeting to explain the college's financial situation to the faculty.
E) A purchasing agent leaves a voicemail message for a new supplier.