The Royal Bank of Canada has a branch office at SFU with a number of tellers serving customers in the lobby, a teller serving the drive-in line and a number of service managers serving customers with special requests. The lobby, drive-in and service managers have each a separate single queue. Customers may join either of the queues (the lobby queue, the drive-in queue, or the service managers' queue). RBC is interested in performance evaluation of their customer service operations. a) What are the random components in the system and their parameters? b) What are the measures you would recommend RBC to consider? c) What data would you collect