Immediately after the second machine, there is a pass/fail inspection that takes a constant 5 minutes to carry out and has an 80% chance of a passing result; queue is possible at inspection, and the queue is first-in ,first-out. All parts exit the system regardless of whether they pass the test. Count the number that fail and the number that pass, and gather statistics on the time in queue, queue length, and utilization at the inspection center.