Query : To find PO returns

execute fnd_client_info.set_org_context('org_id');

SELECT pol.po_header_id,pol.po_line_id,rct.po_line_location_id Line_location_id
, sum ( (nvl(rct.source_doc_quantity,0)) ) Qty_returned
from rcv_transactions rct
, po_lines pol
, po_line_locations pll
where rct.transaction_type = 'RETURN TO VENDOR'
and rct.po_line_location_id = pll.line_location_id
and rct.po_line_id = pol.po_line_id
and nvl(pol.order_type_lookup_code,'QUANTITY') NOT IN ('RATE','FIXED PRICE')
group by pol.po_header_id,pol.po_line_id,rct.po_line_location_id
union all
SELECT pol.po_header_id,pol.po_line_id,rct.po_line_location_id Line_location_id
, sum ( (nvl(rct.amount,0)) ) Qty_returned
from rcv_transactions rct
, po_lines pol
, po_line_locations pll
where rct.transaction_type = 'RETURN TO VENDOR'
and rct.po_line_location_id = pll.line_location_id
and rct.po_line_id = pol.po_line_id
and nvl(pol.order_type_lookup_code,'QUANTITY') IN ('RATE','FIXED PRICE')
group by pol.po_header_id,pol.po_line_id,rct.po_line_location_id