Andrew works in the Ethics Department. Andrew believes that most of the employees in his company are unaware of the company's mission statement. He has suggested that his department start an internal campaign to help ensure that every employee knows the mission statement. The plan is that the supervisors in each division will be responsible for ensuring that their employees know the mission statement. This type of communication might be referred to as? a. Sideways communication b. Peer to peer communication c. Upward communication d. Downward communication