Business administration; economic activity and company activity; a system approach to the business; firm requirements; management and business operations; the dynamics of values and the table of values; the postulate of economic competence; the concept of income; the concept of capital; the financing issue; the principle of long-term profitability; company ownership and top-management; company organization; assets and production conditions; the phases of a firm's life; management; corporate governance; firm models; the relationship between a firm and its environment and the business strategy; the financial statement: role and content; assets and liabilities; profit and loss account; the financial ratios; the reclassification of the assets and liabilities; composition ratios, solidity and liquidity; the reclassification of the profit and loss account; profitability ratios; the leverage.