diff --git a/Model/Checkout/WidgetConfigProvider.php b/Model/Checkout/WidgetConfigProvider.php
index 76e3ce7..79bfa63 100644
--- a/Model/Checkout/WidgetConfigProvider.php
+++ b/Model/Checkout/WidgetConfigProvider.php
@@ -188,6 +188,9 @@ public function getConfig()
         if ($this->isFreeShippingEnabled() && $shippingAddress->getFreeShipping()) {
             $config['shipmentParameters']['startMatrix'] = $this->getFreeShippingMatrixLetter();
         }
+        if ($this->scopeConfig->getTotalPrice() == 'grand_total') {
+            $config['shipmentParameters']['totalPrice'] = (float)$this->getQuote()->getGrandTotal();
+        }
 
         $config = array_merge($config, $this->languageProvider->getConfig());
 
diff --git a/Model/Config.php b/Model/Config.php
index 04ea2bc..1fce00a 100644
--- a/Model/Config.php
+++ b/Model/Config.php
@@ -313,6 +313,14 @@ public function isFreeShippingEnabled($store = null)
         return $this->getValue(self::API_CONFIG_PATH . '/freeshipping_enabled', $store);
     }
 
+    /**
+     * @return mixed
+     */
+    public function isPriceIncludesTax($store = null)
+    {
+        return $this->getValue(self::API_CONFIG_PATH . '/price_incl_tax', $store);
+    }
+
     /**
      * @param null|Store|int|string $store
      *
@@ -454,6 +462,16 @@ public function getGoogleMapKey($store = null)
         return null;
     }
 
+    /**
+     * @param null|Store|int|string $store
+     *
+     * @return mixed
+     */
+    public function getTotalPrice($store = null)
+    {
+        return $this->getValue(self::API_CONFIG_PATH . '/total_price', $store);
+    }
+
     /**
      * @param null|Store|int|string $store
      *
diff --git a/Model/System/Config/Source/TotalPrice.php b/Model/System/Config/Source/TotalPrice.php
new file mode 100644
index 0000000..3708a3b
--- /dev/null
+++ b/Model/System/Config/Source/TotalPrice.php
@@ -0,0 +1,36 @@
+<?php
+/**
+ * Copyright © 2019 Paazl. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+namespace Paazl\CheckoutWidget\Model\System\Config\Source;
+
+use Magento\Framework\Option\ArrayInterface;
+
+/**
+ * Class TotalPrice
+ */
+class TotalPrice implements ArrayInterface
+{
+
+    /**
+     * @var array
+     */
+    public $options;
+
+    /**
+     * @return array
+     */
+    public function toOptionArray()
+    {
+        if (!$this->options) {
+            $this->options = [
+                ['value' => 'subtotal_incl_discount', 'label' => __('Subtotal including DISCOUNT')],
+                ['value' => 'grand_total', 'label' => __('Grand total')]
+            ];
+        }
+
+        return $this->options;
+    }
+}
diff --git a/Model/System/Config/Source/WidgetTheme.php b/Model/System/Config/Source/WidgetTheme.php
index 732389a..51c556b 100755
--- a/Model/System/Config/Source/WidgetTheme.php
+++ b/Model/System/Config/Source/WidgetTheme.php
@@ -31,7 +31,7 @@ public function toOptionArray()
                 ['value' => 'DEFAULT', 'label' => __('Default')],
                 ['value' => 'MINIMAL', 'label' => __('Minimal')],
                 ['value' => 'GREEN', 'label' => __('Green')],
-                ['value' => 'LIGHT-GREEN', 'label' => __('Light Green')],
+                ['value' => 'LIGHT_GREEN', 'label' => __('Light Green')],
                 ['value' => 'BROWN', 'label' => __('Brown')],
                 ['value' => 'BLUE', 'label' => __('Blue')],
                 ['value' => 'RED', 'label' => __('Red')],
diff --git a/Plugin/Tax/Config.php b/Plugin/Tax/Config.php
new file mode 100644
index 0000000..2a8eec0
--- /dev/null
+++ b/Plugin/Tax/Config.php
@@ -0,0 +1,92 @@
+<?php
+/**
+ * Copyright © 2019 Paazl. All rights reserved.
+ * See COPYING.txt for license details.
+ */
+
+namespace Paazl\CheckoutWidget\Plugin\Tax;
+
+use Magento\Framework\Exception\NoSuchEntityException;
+use Magento\Tax\Model\Config as TaxConfigModel;
+use Paazl\CheckoutWidget\Helper\Order as OrderHelper;
+use Paazl\CheckoutWidget\Model\Config as PaazlConfig;
+use Magento\Quote\Api\Data\ShippingMethodInterface;
+use Magento\Checkout\Model\Session;
+use Magento\Quote\Api\CartRepositoryInterface;
+
+/**
+ * Tax Config Plugin
+ */
+class Config
+{
+    /**
+     * @var OrderHelper
+     */
+    private $orderHelper;
+
+    /**
+     * @var PaazlConfig
+     */
+    private $paazlConfig;
+    /**
+     * @var Session
+     */
+    private $session;
+    /**
+     * @var CartRepositoryInterface
+     */
+    private $cartRepository;
+
+    /**
+     * Config constructor.
+     *
+     * @param OrderHelper $orderHelper
+     * @param PaazlConfig $paazlConfig
+     * @param ShippingMethodInterface $shippingMethod
+     * @param Session $session
+     * @param CartRepositoryInterface $cartRepository
+     */
+    public function __construct(
+        OrderHelper $orderHelper,
+        PaazlConfig $paazlConfig,
+        ShippingMethodInterface $shippingMethod,
+        Session $session,
+        CartRepositoryInterface $cartRepository
+    ) {
+        $this->orderHelper = $orderHelper;
+        $this->paazlConfig = $paazlConfig;
+        $this->shippingMethod = $shippingMethod;
+        $this->session = $session;
+        $this->cartRepository = $cartRepository;
+    }
+
+    /**
+     * @param TaxConfigModel $subject
+     * @param bool $result
+     * @param null $store
+     *
+     * @return bool
+     */
+    public function afterShippingPriceIncludesTax(
+        TaxConfigModel $subject,
+        bool $result,
+        $store = null
+    ) {
+        try {
+            $cartId = $this->session->getQuoteId();
+            //we can't use Magento\Checkout\Model\Session::getQuote() because of infinity loop on place order
+            $quote = $this->cartRepository->getActive($cartId);
+            $shippingMethod = $quote->getShippingAddress()->getShippingMethod();
+            if ($shippingMethod
+                && $this->orderHelper->isPaazlShippingMethod($shippingMethod)
+                && $this->paazlConfig->isPriceIncludesTax($store)
+            ) {
+                return true;
+            }
+        } catch (NoSuchEntityException $e) {
+            return $result;
+        }
+
+        return $result;
+    }
+}
diff --git a/composer.json b/composer.json
index a89a25c..25aa800 100755
--- a/composer.json
+++ b/composer.json
@@ -2,7 +2,7 @@
   "name": "paazl/magento2-checkout-widget",
   "description": "Paazl checkoutWidget for Magento 2",
   "type": "magento2-module",
-  "version": "1.7.0",
+  "version": "1.8.0",
   "keywords": [
     "Paazl",
     "Magento 2",
diff --git a/etc/adminhtml/system.xml b/etc/adminhtml/system.xml
index 399a20d..ed61dae 100755
--- a/etc/adminhtml/system.xml
+++ b/etc/adminhtml/system.xml
@@ -251,6 +251,11 @@
                     </depends>
                     <comment><![CDATA[Fill in a valid Google Maps API Key obtained from your <a href="https://developers.google.com/maps/documentation/javascript/get-api-key" target="_blank">Google Account</a>]]></comment>
                 </field>
+                <field id="total_price" translate="label" type="select" sortOrder="64" showInDefault="1" showInWebsite="1" showInStore="1">
+                    <label>Total Price</label>
+                    <source_model>Paazl\CheckoutWidget\Model\System\Config\Source\TotalPrice</source_model>
+                    <comment>Select the price which will be used for totalPrice.</comment>
+                </field>
                 <field id="freeshipping_enabled" translate="label" type="select" sortOrder="65" showInDefault="1" showInWebsite="1" showInStore="1">
                     <label>Free Shipping Enabled</label>
                     <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
@@ -262,6 +267,11 @@
                     </depends>
                     <comment><![CDATA[API Matrix letter for free shipping]]></comment>
                 </field>
+                <field id="price_incl_tax" translate="label" type="select" sortOrder="67" showInDefault="1" showInWebsite="1" showInStore="1">
+                    <label>Price Includes Tax</label>
+                    <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
+                    <comment>If yes - shipping price will always includes tax regardless Magento settings</comment>
+                </field>
                 <field id="debug" translate="label" type="select" sortOrder="70" showInDefault="1" showInWebsite="1" showInStore="0">
                     <label>Debug</label>
                     <source_model>Magento\Config\Model\Config\Source\Yesno</source_model>
diff --git a/etc/config.xml b/etc/config.xml
index fb6a023..f557752 100644
--- a/etc/config.xml
+++ b/etc/config.xml
@@ -8,7 +8,7 @@
     <default>
         <carriers>
             <paazlshipping>
-                <version>v1.7.0</version>
+                <version>v1.8.0</version>
                 <active>0</active>
                 <sallowspecific>0</sallowspecific>
                 <price>0</price>
@@ -33,6 +33,7 @@
                 <widget_initial_pickup_locations>5</widget_initial_pickup_locations>
                 <insurance_value>0</insurance_value>
                 <housenumber_default_value>1</housenumber_default_value>
+                <total_price>subtotal_incl_discount</total_price>
             </paazlshipping>
         </carriers>
     </default>
diff --git a/etc/di.xml b/etc/di.xml
index 71784a3..ae4c2ea 100644
--- a/etc/di.xml
+++ b/etc/di.xml
@@ -30,6 +30,10 @@
                 type="Paazl\CheckoutWidget\Plugin\Quote\AfterAddProduct" sortOrder="1" disabled="false" />
     </type>
 
+    <type name="Magento\Tax\Model\Config">
+        <plugin name="tax_config_plugin" type="Paazl\CheckoutWidget\Plugin\Tax\Config" disabled="false"/>
+    </type>
+
     <preference for="Magento\Framework\HTTP\Client\Curl"
                 type="Paazl\CheckoutWidget\Model\Api\CurlExtra"/>