Найти максимум и минимум цены(тип цены базовый) товаров в разделе, и в ИБ?

$min = CIBlockElement::GetList(array('CATALOG_PRICE_1' => 'asc'), array('!CATALOG_PRICE_1' => false, "IBLOCK_ID" => $arParams[IBLOCK_ID],  "INCLUDE_SUBSECTIONS" => "Y", "ACTIVE" => "Y"), false, array('nTopCount' => 1), array('ID'))->Fetch();
$max = CIBlockElement::GetList(array('CATALOG_PRICE_1' => 'desc'), array('!CATALOG_PRICE_1' => false, "IBLOCK_ID" => $arParams[IBLOCK_ID], "INCLUDE_SUBSECTIONS" => "Y", "ACTIVE" => "Y"), false, array('nTopCount' => 1), array('ID'))->Fetch();