A Nurse Manager Conducts Rounds on the Unit and Discovers

A nurse manager conducts rounds on the unit and discovers that expired stock medicine is still in the cabinet despite the e-mail she sent stating that it had to be discarded.The staff nurse dress code is not being adhered to,and the staff lounge is not kept neat and tidy as she requested in the same e-mail.Several staff nurses deny having received the e-mail.After evaluating this situation,one way the nurse manager could resolve the issue is to

A) Include the findings on each staff member's annual evaluation.
B) Close the staff lounge.
C) Enforce a stricter dress code.
D) Place a hard copy of announcements and unit policies in each staff member's mailbox.