Driver program
document . write ( runCustomerSimulation ( 2 , " " ) + " " ) ; document . write ( runCustomerSimulation ( 3 , " " ) + " " ) ; document . write ( runCustomerSimulation ( 3 , " " ) + " " ) ; document . write ( runCustomerSimulation ( 1 , " " ) + " " ) ; document . write ( runCustomerSimulation ( 1 , " " ) + " " ) ;