Corporate tax is a tax imposed on the income or profit of corporations and businesses. This tax is calculated based on the company's earnings, and the rate can vary depending on the country or region. Corporations are required to file tax returns and pay this tax to the government, which uses the revenue for public services and infrastructure. The purpose of corporate tax is to ensure that businesses contribute to the economy and society. It helps fund essential services like education, healthcare, and transportation. Different countries may have different rules and rates, influencing how companies operate and make financial decisions.