BirinuS plc manufactures high-tech machinery. Its board of directors is reviewing its supply chain management to ensure that the activities of Birinus plc are optimised. An external consultant has recommended that the directors take three specific actions to implement effective supply chain management: 1. Focus on high value customers and a reduced number of suppliers 2. Restrict information provided to suppliers about how much inventory Birinus plc requires 3.Solve problems jointly with suppliers and customer Which of these statements is/are appropriate for Birinus plc's implementation of effective supply chain management? A. (1) only B. (2) only C. (1) and (3) only D. (2) and (3) only