[enhance] close purchase order
diff --git a/erpnext/stock/stock_balance.py b/erpnext/stock/stock_balance.py
index b0654e2..b1e8b22 100644
--- a/erpnext/stock/stock_balance.py
+++ b/erpnext/stock/stock_balance.py
@@ -122,7 +122,7 @@
 		from `tabPurchase Order Item` po_item, `tabPurchase Order` po
 		where po_item.item_code=%s and po_item.warehouse=%s
 		and po_item.qty > ifnull(po_item.received_qty, 0) and po_item.parent=po.name
-		and po.status!='Stopped' and po.docstatus=1""", (item_code, warehouse))
+		and po.status not in ('Stopped', 'Closed') and po.docstatus=1""", (item_code, warehouse))
 
 	return flt(ordered_qty[0][0]) if ordered_qty else 0