A "demonstração de resultados" (income statement) is a financial report that summarizes a company's revenues, expenses, and profits over a specific period. It provides insights into the company's operational performance, helping stakeholders understand how much money the business made and spent. This document typically includes key components such as receitas (revenues), custos (costs), and lucro líquido (net profit). By analyzing the "demonstração de resultados," investors and management can make informed decisions regarding the company's financial health and future strategies.