diff --git a/resources/views/pages/pdfs/invoice.blade.php b/resources/views/pages/pdfs/invoice.blade.php
index 1c9725a3..c33c7b0d 100644
--- a/resources/views/pages/pdfs/invoice.blade.php
+++ b/resources/views/pages/pdfs/invoice.blade.php
@@ -72,16 +72,16 @@
         </thead>
         <tbody>
         @php
+            $subtotal = calculateSubtotal($po_order_transaction, $transaction->currency_rate);
+            $voucherDiscount = getVoucherDiscount($voucher_redemption);
             $displayedSubtotal = 0;
-            $displayedTotalAmounts = [];
         @endphp
 
         @foreach ($po_order_transaction->transactionDetails as $key => $transaction_detail)
             @php
                 $exactUnitPrice = bcdiv($transaction_detail->price, $transaction->currency_rate, 5);
                 $itemTotal = bcmul($exactUnitPrice, $transaction_detail->quantity, 5);
-                $displayedItemTotal = bcmul($exactUnitPrice, $transaction_detail->quantity, 2); // This is rounded off to 2 decimal places
-                $displayedTotalAmounts[] = $displayedItemTotal;
+                $displayedItemTotal = bcmul($exactUnitPrice, $transaction_detail->quantity, 2);
                 $displayedSubtotal = bcadd($displayedSubtotal, $displayedItemTotal, 2);
             @endphp
             <tr>
@@ -163,8 +163,18 @@
         Account No: 564892103405<br>
     </div>
     @php
+        function calculateSubtotal($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 $subtotal;
+        }
+
         function getVoucherDiscount($voucher_redemption) {
-            return $voucher_redemption ? bcmul($voucher_redemption->value, "-1", 5) : "0"; // Keep precision
+            return $voucher_redemption ? bcmul((string)$voucher_redemption->value, "-1", 2) : "0";
         }
     @endphp
 @endsection