$number '; } public function header() { return '
$client_details
$company_details
$company_address
$company_logo
'; } public function body() { return '

$entity_label

$entity_number
$entity_labels
$entity_details
$product_table_header $product_table_body
$task_table_header $task_table_body
'; } public function task() { return ''; } public function product() { return ''; } public function footer() { return '

$entity.public_notes

$subtotal_label $discount_label $paid_to_date_label
$subtotal $discount $paid_to_date

$terms_label

N21

$balance_due_label

$balance

'; } }