Cash Management Matrix For each principle in the matrix,describe how the principle ensures the reliability of a company’s financial statements and provide at least one example of how the principle might work in a real company. Principles of Internal Control Establishment of responsibility Segregation of duties Documentation procedures Physical, mechanical, and electronic controls. Independent Internal verification. Other controls. Principles of Cash Management Invest idle cash. Plan the timing of major expenditures. Delay payment of liabilities. Keep Inventory levels low.