// У функції gig_tax_install_database додайте поле tax_rate:
$sql_transactions = "CREATE TABLE $table_transactions (
    id bigint(20) NOT NULL AUTO_INCREMENT,
    user_id bigint(20) NOT NULL,
    type varchar(20) NOT NULL,
    amount decimal(18,4) NOT NULL,
    tax_rate decimal(5,2) DEFAULT '15.30' NOT NULL, -- НОВЕ ПОЛЕ
    category varchar(100) NOT NULL,
    quarter tinyint(1) NOT NULL,
    created_at datetime NOT NULL,
    PRIMARY KEY  (id)
) $charset_collate;";<?xml version="1.0" encoding="UTF-8"?><?xml-stylesheet type="text/xsl" href="//getoperaflow.com/main-sitemap.xsl"?>
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