newsupernova/vendor/magento/module-tax/etc/config.xml

<?xml version="1.0"?>
<!--
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
-->
<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Store:etc/config.xsd">
    <default>
        <tax>
            <classes>
                <shipping_tax_class>0</shipping_tax_class>
                <default_product_tax_class>2</default_product_tax_class>
                <default_customer_tax_class>3</default_customer_tax_class>
            </classes>
            <calculation>
                <algorithm>TOTAL_BASE_CALCULATION</algorithm>
                <apply_after_discount>1</apply_after_discount>
                <discount_tax>0</discount_tax>
                <based_on>shipping</based_on>
                <price_includes_tax>0</price_includes_tax>
                <shipping_includes_tax>0</shipping_includes_tax>
                <apply_tax_on>0</apply_tax_on>
            </calculation>
            <defaults>
                <country>US</country>
                <region>0</region>
            </defaults>
            <display>
                <type>1</type>
                <shipping>1</shipping>
            </display>
            <cart_display>
                <price>1</price>
                <subtotal>1</subtotal>
                <shipping>1</shipping>
                <discount>1</discount>
                <grandtotal>0</grandtotal>
                <full_summary>0</full_summary>
                <zero_tax>0</zero_tax>
            </cart_display>
            <sales_display>
                <price>1</price>
                <subtotal>1</subtotal>
                <shipping>1</shipping>
                <discount>1</discount>
                <grandtotal>0</grandtotal>
                <full_summary>0</full_summary>
                <zero_tax>0</zero_tax>
            </sales_display>
            <notification>
                <info_url>http://docs.magento.com/m2/ce/user_guide/tax/warning-messages.html</info_url>
            </notification>
        </tax>
    </default>
</config>