A public safety unit of a university issues identification cards at the beginning of each semester. Every year about 6,000 new ID cards are issued. The steps in the process and the approximate times are given below.

Note: Steps 1 and 2 must be completed first, and Step 6 must be completed last.   

  Steps in the process                              Estimated time

1.   Review the application                             15 seconds

2.   Verify information                                    25 seconds

3.   Check student/staff status                        40 seconds

4.   Take photo                                                70 seconds

5.   Attach photo and laminate                       35 seconds

6.   Issue ID                                                    20 seconds

Suppose you are authorized to hire one more clerk. Where would you assign the new worker to maximize line efficiency, what will be the bottleneck station, and how many applications can be processed per hour?