Read, analyze, and be prepared to discuss the First City National Bank case. Submit your answers to the following questions : a) Using the average arrival (8.4) and service times (45.5), calculate the waiting time for a customer (time spent in the queue before service) for ten (10) separate, parallel lines each with its own clerk. b) Calculate the waiting time for a single line feeding ten (10) clerks. c) Calculate the waiting time for a single line with six (6) clerks. d) Which of the two line configurations you would recommend. Support your result with the appropriate quantitative queuing analysis