Choose all the correct options!!

Do it correct with proper reasoning. Do not attempt if not sure. Why is it important to identify the bottleneck in a system? Choose all options that are correct. The bottleneck stage has a lot of idle time Workload at the bottleneck stage must be managed to keep its utilization at 50% approx Improvement efforts should be focused only on the bottleneck , till some other stage becomes the bottleneck Capacity of the system is limited by the capacity of the bottleneck Improvement efforts must be system wide