diff --git a/vendor/magento/module-catalog-graph-ql/Model/Resolver/Product/Price/Discount.php b/vendor/magento/module-catalog-graph-ql/Model/Resolver/Product/Price/Discount.php
index c56e05bf267a4..d738d4387ee7d 100644
--- a/vendor/magento/module-catalog-graph-ql/Model/Resolver/Product/Price/Discount.php
+++ b/vendor/magento/module-catalog-graph-ql/Model/Resolver/Product/Price/Discount.php
@@ -72,7 +72,10 @@ private function getPriceDifferenceAsValue(float $regularPrice, float $finalPric
      */
     private function getPriceDifferenceAsPercent(float $regularPrice, float $finalPrice): float
     {
-        $difference = $this->getPriceDifferenceAsValue($regularPrice, $finalPrice);
+        $difference = $regularPrice - $finalPrice;
+        if ($difference <= $this->zeroThreshold) {
+            return 0;
+        }
 
         if ($difference <= $this->zeroThreshold || $regularPrice <= $this->zeroThreshold) {
             return 0;
diff --git a/vendor/magento/module-catalog-rule/Model/Indexer/ProductPriceCalculator.php b/vendor/magento/module-catalog-rule/Model/Indexer/ProductPriceCalculator.php
index 02b499c75b7e9..828ce80272907 100644
--- a/vendor/magento/module-catalog-rule/Model/Indexer/ProductPriceCalculator.php
+++ b/vendor/magento/module-catalog-rule/Model/Indexer/ProductPriceCalculator.php
@@ -3,6 +3,7 @@
  * Copyright © Magento, Inc. All rights reserved.
  * See COPYING.txt for license details.
  */
+declare(strict_types=1);
 
 namespace Magento\CatalogRule\Model\Indexer;
 
@@ -28,7 +29,7 @@ public function __construct(\Magento\Framework\Pricing\PriceCurrencyInterface $p
      * Calculates product price.
      *
      * @param array $ruleData
-     * @param null $productData
+     * @param array|null $productData
      * @return float
      */
     public function calculate($ruleData, $productData = null)
@@ -56,6 +57,6 @@ public function calculate($ruleData, $productData = null)
                 $productPrice = 0;
         }
 
-        return $this->priceCurrency->round($productPrice);
+        return $this->priceCurrency->roundPrice($productPrice, 4);
     }
 }
diff --git a/vendor/magento/module-catalog-rule/Pricing/Price/CatalogRulePrice.php b/vendor/magento/module-catalog-rule/Pricing/Price/CatalogRulePrice.php
index ec63d70d55abf..2cfd68349fae4 100644
--- a/vendor/magento/module-catalog-rule/Pricing/Price/CatalogRulePrice.php
+++ b/vendor/magento/module-catalog-rule/Pricing/Price/CatalogRulePrice.php
@@ -18,8 +18,6 @@
 use Magento\Store\Model\StoreManagerInterface;
 
 /**
- * Class CatalogRulePrice
- *
  * @SuppressWarnings(PHPMD.CookieAndSessionMisuse)
  */
 class CatalogRulePrice extends AbstractPrice implements BasePriceProviderInterface
@@ -27,7 +25,7 @@ class CatalogRulePrice extends AbstractPrice implements BasePriceProviderInterfa
     /**
      * Price type identifier string
      */
-    const PRICE_CODE = 'catalog_rule_price';
+    public const PRICE_CODE = 'catalog_rule_price';
 
     /**
      * @var TimezoneInterface
@@ -97,7 +95,7 @@ public function getValue()
                 $this->value = $this->value ? (float)$this->value : false;
             }
             if ($this->value) {
-                $this->value = $this->priceCurrency->convertAndRound($this->value);
+                $this->value = $this->priceCurrency->convertAndRound($this->value, null, null, 4);
             }
         }
 
diff --git a/vendor/magento/module-tax/Model/Calculation/UnitBaseCalculator.php b/vendor/magento/module-tax/Model/Calculation/UnitBaseCalculator.php
index 655fcc9749cb3..6a7c9daab6c69 100644
--- a/vendor/magento/module-tax/Model/Calculation/UnitBaseCalculator.php
+++ b/vendor/magento/module-tax/Model/Calculation/UnitBaseCalculator.php
@@ -1,8 +1,10 @@
 <?php
 /**
- * Copyright © Magento, Inc. All rights reserved.
- * See COPYING.txt for license details.
+ * Copyright 2014 Adobe
+ * All Rights Reserved.
  */
+declare(strict_types=1);
+
 namespace Magento\Tax\Model\Calculation;
 
 use Magento\Tax\Api\Data\QuoteDetailsItemInterface;
@@ -56,7 +58,7 @@ protected function calculateWithTaxInPrice(QuoteDetailsItemInterface $item, $qua
 
         // Calculate $priceInclTax
         $applyTaxAfterDiscount = $this->config->applyTaxAfterDiscount($this->storeId);
-        $priceInclTax = $this->calculationTool->round($item->getUnitPrice());
+        $priceInclTax = $item->getUnitPrice();
         if (!$this->isSameRateAsStore($rate, $storeRate)) {
             $priceInclTax = $this->calculatePriceInclTax($priceInclTax, $storeRate, $rate, $round);
         }