Return Purchased Items in the PO system

Return Purchased Items in the PO system

Once an item has been marked received, how do you mark it as returned and remove it from inventory.
 
For examle, one our guys ordered an monitor, recieved the monitor in the PO system, but then found out he ordered the wrong monitor and has to return it.  He has also added it to the Asset module.
 
So how do we mark this item as returned?
 
Thanks

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