$number
'; } public function header() { return '| 
		$company_logo
	 
		$client_details
     
        $entity.public_notes
     
            $discount_label
            $total_tax_labels
            $line_tax_labels
         
            $discount
            $total_tax_values
            $line_tax_values
         $terms_label$terms $balance_due_label $balance_due |