Two job types are processed on a two-station flow line. The first job type has processing times of 7 minutes on the first station and 5 minutes on the second. The second job type has processing times of 9 minutes on the first station and 12 minutes on the second. a. Assume the two job types have the same arrival rate. What is the raw processing time, the bottleneck rate, the critical WIP and capacity of the line? b. What job mix balances the line? What is the percent improvement in capacity from the balanced line?