Accounting::calculate

public function calculate(
	array $productRows,
	string $currencyId,
	int $personTypeId,
	?string $locationId = null
): ?array
{
	$options = [
		'ALLOW_LD_TAX' => 'N',
	];
	if ($this->isTaxMode())
	{
		$options['ALLOW_LD_TAX'] = 'Y';
		if (!empty($locationId))
		{
			$options['LOCATION_ID'] = $locationId;
		}
	}

	return \CCrmSaleHelper::Calculate(
		$productRows,
		$currencyId,
		$personTypeId,
		false,
		SITE_ID,
		$options
	);
}