This example illustrates the simulation problem when there is more than one service channel. Consider a computer technical support center where personnel takes calls and provide service.The time between calls range from 1 to 4 minutes. Ref table 10. There are two technical support people – Abel and Baker. Able is more experienced and can provide faster service than Baker. Distribution of their service times are shown in table 11 and 12. Simple rule: Able gets the call if both of them are idle. Problem: To find out how well the arrangement is working. To estimate the system measures of performance, a simulation of the first 100 callers is made .