diff --git a/src/Expenses/Admin/Api/ExpensesAdminManager.php b/src/Expenses/Admin/Api/ExpensesAdminManager.php
index 396b7094..2323a07a 100644
--- a/src/Expenses/Admin/Api/ExpensesAdminManager.php
+++ b/src/Expenses/Admin/Api/ExpensesAdminManager.php
@@ -1,11 +1,4 @@
 <?php
-/**
- * Created by PhpStorm.
- * User: Thilina
- * Date: 8/19/17
- * Time: 12:13 PM
- */
-
 namespace Expenses\Admin\Api;
 
 use Classes\AbstractModuleManager;
@@ -22,7 +15,6 @@ class ExpensesAdminManager extends AbstractModuleManager
 
     public function initializeFieldMappings()
     {
-
         $this->addFileFieldMapping('EmployeeExpense', 'attachment1', 'name');
         $this->addFileFieldMapping('EmployeeExpense', 'attachment2', 'name');
         $this->addFileFieldMapping('EmployeeExpense', 'attachment3', 'name');
@@ -40,4 +32,14 @@ class ExpensesAdminManager extends AbstractModuleManager
         $this->addModelClass('EmployeeExpense');
         $this->addModelClass('EmployeeExpenseApproval');
     }
+
+    public function initCalculationHooks()
+    {
+        $this->addCalculationHook(
+            'ExpensePayrollUtils_getApprovedExpensesTotal',
+            'Total Approved Expenses',
+            ExpensePayrollUtils::class,
+            'getApprovedExpensesTotal'
+        );
+    }
 }
diff --git a/src/TimeSheets/Common/Model/EmployeeTimeSheet.php b/src/TimeSheets/Common/Model/EmployeeTimeSheet.php
index 15db9227..68ee5315 100644
--- a/src/TimeSheets/Common/Model/EmployeeTimeSheet.php
+++ b/src/TimeSheets/Common/Model/EmployeeTimeSheet.php
@@ -35,7 +35,7 @@ class EmployeeTimeSheet extends BaseModel
         return array("element","save","delete");
     }
 
-    public function getTotalTime()
+    public function getTotalTimeMinutes()
     {
 
         $start = $this->date_start . " 00:00:00";
@@ -59,11 +59,18 @@ class EmployeeTimeSheet extends BaseModel
         }
 
         $totMinutes = round($seconds / 60);
+        
+        return $totMinutes;
+    }
+
+    public function getTotalTime()
+    {
+        $totMinutes = $this->getTotalTimeMinutes();
         $minutes = $totMinutes % 60;
         $hours = ($totMinutes - $minutes) / 60;
 
         return CalendarTools::addLeadingZero($hours)
-            . ":" . CalendarTools::addLeadingZero($minutes);
+        . ":" . CalendarTools::addLeadingZero($minutes);
     }
 
     public function postProcessGetData($entry)
diff --git a/src/TimeSheets/User/Api/TimeSheetsModulesManager.php b/src/TimeSheets/User/Api/TimeSheetsModulesManager.php
index 26bb8470..85896734 100644
--- a/src/TimeSheets/User/Api/TimeSheetsModulesManager.php
+++ b/src/TimeSheets/User/Api/TimeSheetsModulesManager.php
@@ -79,4 +79,14 @@ class TimeSheetsModulesManager extends AbstractModuleManager
         }
         return new IceResponse(IceResponse::SUCCESS, $hours.":".$rem);
     }
+
+    public function initCalculationHooks()
+    {
+        $this->addCalculationHook(
+            'TimeSheetsPayrollUtils_getApprovedTimeInTimeSheets',
+            'Total Hours from Approved Time Sheets',
+            TimeSheetsPayrollUtils::class,
+            'getApprovedTimeInTimeSheets'
+        );
+    }
 }