What did a study of 160 companies over a 10-year period reveal about management practices as related to the factor of structure? Question 8 options: a) Management should align resources, exchange information, and promote teamwork. b) Management should create a goal, address customer needs, and support employees' decisions. c) Managers should hire the best employees, delegate decision making, and perform quality work. d) Managers should empower people, increase performance rewards, and improve values