Problem $15-25($Algorithmic$)$ customers per hour and $1$ customer processed per minute.

$\backslash$table$[[,$Shared single queue,Dedicated queues,$],[$Number of customers waiting,,,$],[$Average number of customers in the system,,,$],[$Average waiting time,,,$],[$Average time in the system,,,$]]$

Comparing these numbers, it is clear that the shared single queue results in better process performance than the two dedicated queues