A shop floor of a manufacturing plant has the physical ability to handle 550 workers. However, the plant layout design showed that only 500 workers could work effectively throughout the shift. Last year's attendance showed that 450 workers were present annually. What is the utilization and the efficiency of the manufacturing plant? The utilization is 81.8%, and the efficiency is 90%. The utilization is 95.0%, and the efficiency is 77.4%. The utilization is 92.3%, and the efficiency is 83.4%. The utilization is 83.0%, and the efficiency is 86.4%. O The utilization is 92.0%, and the efficiency is 76.4%.