BasketItemBase::getVat

public function getVat()
{
	$calculator = new VatCalculator((float)$this->getVatRate());
	$vat = $calculator->calc(
		$this->getPrice(),
		$this->isVatInPrice(),
		false
	);

	return PriceMaths::roundPrecision($vat * $this->getQuantity());
}