Answer :
Answer:
Option C. Making a big mistake by trying to eliminate the
grapevine.
Explanation:
The reason is that the grapevine communication are very useful because it helps in better and timely flow of information which means that if the manager is prohibiting the employees to gossip about the company's financial situation and other matters. Grapevine communication also provides valuable feedback which is the best outcome of the transfer of information so its is one of the big mistake made by the supervisors.