I wrote this code, but answer is not correct.
Select location_tbl.location,product_tbl.pro_name,SUM(purchase_tbl.Qty),SUM(stock_tfr_tbl.Qty)From(((purchase_tbl,stock_tfr_tbl)RIGHT OUTER join product_tbl ON (purchase_tbl.item_ID OR stock_tfr_tbl.Item_Id) = product_tbl.ID)RIGHT OUTER Join location_tbl ON (purchase_tbl.Location_ID OR stock_tfr_tbl.TFR_TO) = location_tbl.ID)GROUP BY location_tbl.location,product_tbl.pro_name;