The following Information is given for the last month's operation: Actual run time this week Machine time available this week Actual run rate this week Ideal run rate Defect-free output this week Total output this week (including defects) 4,500 minutes 5,000 minutes 3.6 units per minute 4.0 units per minute 11,000 units 16,200 units The overall equipment effectiveness (OEE) is closest to: Multiple Choice 0.47 0.50