Hart Manufacturing operates an automated steel fabrication process. For one operation. Hart has found that 45 of the total throughput (manufacturing cycle) time is spent on non-value-added activities. Delivery cycle time is 12 hourh queue thme during the production process is 3 hours, the time prior to starting the production process is 2 hours, and inspection time is 12 hours. The manufacturing cycle efficiency (MCE) for this operation is: 5.4 hours 45% 6.6 hours 55% Hart Manufacturing operates an automated steel fabrication process. For one operation. Hart has tound that 45% of the lotan throughput (manufacturing cycle) time is spent on non-value-added activities. Defivery cycle time is 12 hours, queve time during the production process is 3 hours, the time prior to starting the production process is 2 hours, and inspection time is 12 hours. What is the throughput (manufacturing cycle) time for the operation? 5.8 hours 12.0 hours 10.0 hours 9.0 hours