A bank runs 50 workstations and would like to decrease its electricity costs， while not sacrificing functionality. All of the workstations are high-end performance units that are intended to be used for CAD-like applications. Analysts benefit from the added performance， but tellers and associates could use more minimalist systems. Which of the following methods would decrease the banks electricity and hardware costs？（）

A.Set the computers for automatic log-off after one hour of inactivity.
B.Institute a policy of either shutdown or sleep mode an hour after close.
C.Turn on the Wake on LAN functionality for all computers.
D.Schedule all patching to be done during work hours.

A.Energy Star
B.Energy Star 2.0
C.PCI-E
D.RoHS

A.Use an approved recycling program either through a vendor or local government agency.
B.Old toner disposal is the responsibility of the manufacturer. Call the appropriate number at the respective company.
C.Toss the units into the trash. Toner cartridges are biodegradable.
D.Clean out the toner cartridges with warm water and place the clean units into the recycling collection.