Melinda,human resources director at Exceed,has noticed lately that several employees have been dressing inappropriately on Fridays.Melinda decides to revise the company's casual Friday policy and communicate it to employees by posting it on the company's e-bulletin board.This is an example of​

A) ​horizontal communication
B) ​grapevine communication
C) ​interpersonal communication
D) ​impersonal communication

Casual Friday Policy

A workplace practice allowing employees to dress in more relaxed or casual attire on Fridays, differing from the standard dress code.

Impersonal Communication

Communication style characterized by a lack of personal connection, often involving formal, standardized messages.

E-bulletin Board

A digital platform that serves as a notice board for posting information, announcements, and discussions, accessible via the internet.