invoice items table base ready

app/Modules/Invoice/Actions/GenerateInvoiceExcell.php

@@ -138,7 +138,11 @@ class GenerateInvoiceExcell
             $this->worksheet->getCell('G' . $itemCellNumber)->setValue($item->vat_excluded);
             $this->worksheet->getCell('H' . $itemCellNumber)->setValue($item->vat_percentage);
             $this->worksheet->getCell('I' . $itemCellNumber)->setValue($item->vat_tmt);
-            $this->worksheet->getCell('J' . $itemCellNumber)->setValue($item->total);
+
+            $this->worksheet->setCellValue(
+                'J' . $itemCellNumber,
+                "=D{$itemCellNumber}*E{$itemCellNumber}"
+            );
 
             // Set font-family, alingment, and borders for all of them...
             $this->worksheet->getStyle('A' . $itemCellNumber . ':J' . $itemCellNumber)->applyFromArray([