diff --git a/src/sparepart/service.py b/src/sparepart/service.py
index 4d4d4d6..f5c164b 100644
--- a/src/sparepart/service.py
+++ b/src/sparepart/service.py
@@ -346,6 +346,14 @@ async def get_spareparts_paginated(*, db_session, collector_db_session):
             ) as pr_po_details
         FROM pr_po_unified
         GROUP BY item_num
+    ),
+    inv_summary AS (
+        SELECT 
+            itemnum,
+            MAX(inv_curbaltotal) AS total_curbaltotal,
+            AVG(inv_avgcost) AS avg_cost
+        FROM wo_materials
+        GROUP BY itemnum
     )
     SELECT 
         lss.itemnum,
@@ -355,16 +363,16 @@ async def get_spareparts_paginated(*, db_session, collector_db_session):
         ROUND(CAST(lss.avg_qty_per_wo AS NUMERIC), 2) as avg_qty_per_wo,
         lss.min_qty_used,
         lss.max_qty_used,
-        COALESCE(i.inv_curbaltotal,0) as current_balance_total,
+        COALESCE(i.total_curbaltotal,0) as current_balance_total,
         COALESCE(ap.total_pr_qty,0) as total_pr_qty,
         COALESCE(ap.total_po_qty,0) as total_po_qty,
         COALESCE(ap.total_po_received,0) as total_po_received,
         ap.pr_po_details
     FROM location_sparepart_stats lss
     LEFT JOIN item_descriptions id ON lss.itemnum = id.item_num
-    LEFT JOIN wo_materials i ON lss.itemnum = i.itemnum
+    LEFT JOIN inv_summary i ON lss.itemnum = i.itemnum
     LEFT JOIN pr_po_agg ap ON lss.itemnum = ap.item_num
-    ORDER BY lss.location_tag, lss.itemnum
+    ORDER BY lss.location_tag, lss.itemnum;
     """)
     
     overhaul = await get_overview_overhaul(db_session=db_session)