The management of International Cookwares is looking at the effectiveness of its stamping machine. Here is last week's data for the machine:- Good units (defect free) produced: 12,000 Machine down time: 3 hours during the week Standard units per minute: 2 units/ minutes Rejected units (i.e. defective output): 320 If the factory runs 2 shifts per day of 8 hours, 7 days a week, what is the overall equipment effectiveness (OEE) of the stamping machine ?