diff --git a/app/Classes/Modules/Transactions/Processors/CreateInvoiceDocumentProcessor.php b/app/Classes/Modules/Transactions/Processors/CreateInvoiceDocumentProcessor.php
index 2bbf5b88..6215a1e1 100644
--- a/app/Classes/Modules/Transactions/Processors/CreateInvoiceDocumentProcessor.php
+++ b/app/Classes/Modules/Transactions/Processors/CreateInvoiceDocumentProcessor.php
@@ -1,7 +1,7 @@
 <?php
 
 namespace App\Classes\Modules\Transactions\Processors;
-use App\Helpers\HelperClass;
+
 use App\Classes\Modules\Documents\Services\CreatesDocument;
 use App\Classes\Modules\Documents\Services\CreatesFiles;
 use App\Classes\Modules\Documents\DataTransferObjects\DocumentObject;
diff --git a/resources/views/pages/pdfs/purchase_order.blade.php b/resources/views/pages/pdfs/purchase_order.blade.php
index 598ded16..e9d1c8fd 100644
--- a/resources/views/pages/pdfs/purchase_order.blade.php
+++ b/resources/views/pages/pdfs/purchase_order.blade.php
@@ -90,8 +90,8 @@
         </thead>
         <tbody>
         @php
-            $subtotal = InvoiceDocumentsHelper::calculateSubtotal($po_order_transaction, $transaction->currency_rate);
-            $voucherDiscount = InvoiceDocumentsHelper::getVoucherDiscount($voucher_redemption);
+            $subtotal = calculatePoSubtotal($po_order_transaction, $transaction->currency_rate);
+            $voucherDiscount = getPoVoucherDiscount($voucher_redemption);
             $displayedSubtotal = 0;
         @endphp
 
@@ -118,7 +118,7 @@
         </tbody>
         <tfoot>
         @php
-            $voucherDiscount = InvoiceDocumentsHelper::getVoucherDiscount($voucher_redemption);
+            $voucherDiscount = getPoVoucherDiscount($voucher_redemption);
             $subtotalWithDiscount = bcsub($subtotal, $voucherDiscount, 5); // Use bcsub to subtract
         @endphp
         <tr class="subtotal">
@@ -156,7 +156,7 @@
         <tr>
             <td colspan="4"></td>
             <td class="right middle">Adjustment</td>
-            <td class="right middle">{{ InvoiceDocumentsHelper::roundUp($discrepancy,2)  }}</td>
+            <td class="right middle">{{ roundUpPo($discrepancy,2)  }}</td>
         </tr>
         <tr>
             <td colspan="4"></td>
@@ -175,4 +175,28 @@
             </tr>
         </table>
     </htmlpagefooter>
+    @php
+        function calculatePoSubtotal($po_order_transaction, $currencyRate) {
+            $subtotal = "0";
+            foreach ($po_order_transaction->transactionDetails as $transaction_detail) {
+                $unitPrice = bcdiv((string)$transaction_detail->price, (string)$currencyRate, 5);
+                $itemTotal = bcmul($unitPrice, (string)$transaction_detail->quantity, 5);
+                $subtotal = bcadd($subtotal, $itemTotal, 5);
+            }
+            return $subtotal;
+        }
+
+        function getPoVoucherDiscount($voucher_redemption) {
+            return $voucher_redemption ? bcmul((string)$voucher_redemption->value, "-1", 2) : "0";
+        }
+        function roundUpPo($number, $decimals) {
+        $factor = pow(10, $decimals);
+        if ($number > 0) {
+            return ceil($number * $factor) / $factor;
+        } else {
+            return floor($number * $factor) / $factor;
+        }
+    }
+
+    @endphp
 @endsection