Income tax is a crucial concept in the world of finance, especially when it comes to the income of companies. It refers to the tax levied on the profits earned by a business entity. This tax is based on the company's net income, which is calculated by deducting business expenses from total revenue. It is an important aspect to consider when making financial decisions, as it can significantly impact a company's bottom line. Understanding the intricacies of income tax is essential for any business owner or financial professional.