A single channel queuing system has an average service time of 16 minutes per customer, which is exponentially distributed. If we convert this to a system with a constant service time of 16 minutes, the effect will be to: A. Time in system will increase, since processing times are not averaged out B. The server utilization will decrease, and waiting times will also decrease C. The server utilization will be increased, and waiting times will decrease D. The server utilization will be same, and waiting times will decrease E. None of the above