diff --git a/AstuteSystem/sql/astute.sql b/AstuteSystem/sql/astute.sql
index 33255fa..794abda 100644
--- a/AstuteSystem/sql/astute.sql
+++ b/AstuteSystem/sql/astute.sql
@@ -29,6 +29,12 @@ CREATE TABLE IF NOT EXISTS `change_order` (
   CONSTRAINT `fk_PO_CO_POnum` FOREIGN KEY (`PO_num`) REFERENCES `po` (`PO_num`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
+DROP PROCEDURE IF EXISTS astute.update_contract_amt;
+CREATE PROCEDURE astute.`update_contract_amt`(PONum varchar(20))
+BEGIN
+update po set contract_amt = (SELECT sum(qty*fee) from po_detail where PO_num = PONum) where PO_num = PONum;
+END;
+
 -- Dumping data for table astute.change_order: ~0 rows (approximately)
 /*!40000 ALTER TABLE `change_order` DISABLE KEYS */;
 /*!40000 ALTER TABLE `change_order` ENABLE KEYS */;
diff --git a/AstuteSystem/src/main/java/com/astute/dao/SqlDAO.java b/AstuteSystem/src/main/java/com/astute/dao/SqlDAO.java
index d1db438..fca2b15 100644
--- a/AstuteSystem/src/main/java/com/astute/dao/SqlDAO.java
+++ b/AstuteSystem/src/main/java/com/astute/dao/SqlDAO.java
@@ -161,6 +161,18 @@ public class SqlDAO extends DAO {
 
     }
 
+    public void updateContractAmount(String PONum) throws AstuteException {
+        try {
+            CallableStatement stmt = conn.prepareCall("{call update_contract_amt(?)}");
+            stmt.setString(1, PONum);
+            stmt.executeUpdate();
+        } catch (SQLException e) {
+            e.printStackTrace();
+            throw new AstuteException(DB_ERROR,e.getMessage());
+        }
+    }
+
+
     public void updatePODetail(String POnum, int lineItemNo, String serviceDesc, int feeTypeId, Double qty, Double fee, int serviceTypeId, Double remainingQuantity) throws AstuteException {
         try {
             // remainingQuantity is not used , need to take it out from signature eventually
@@ -196,7 +208,9 @@ public class SqlDAO extends DAO {
                 System.out.println(sql);
                 Statement stmt = conn.createStatement();
                 stmt.executeUpdate(sql);
-                updateRemainingQty(POnum,null, lineItemNo);            }
+                updateRemainingQty(POnum,null, lineItemNo);
+            }
+            updateContractAmount(POnum);
         } catch (SQLException e) {
             e.printStackTrace();
             throw new AstuteException(DB_ERROR,e.getMessage());
@@ -247,6 +261,7 @@ public class SqlDAO extends DAO {
             e.printStackTrace();
             throw new AstuteException(DB_ERROR,e.getMessage());
         }
+        updateContractAmount(POnum);
     }
 
     public void finalizePO(String PONum) throws AstuteException {