The new accounts officer at State Bank of India, Park Street Branch enrolls all new customers in checking accounts. During the 3 week period in January encompassing the beginning of the New Year, the bank opens a lot of new accounts for students. The bank estimates that the arrival rate during the period will be Poisson distributed with an average of 4 customers per hour. The service time is exponentially distributed with an average of 12 minutes per customer to set up a new account. Determine the operating characteristics for this system to assess if the current person is sufficient to handle the increased traffic