‘Internal decision-making: costs and volumes’ looks at decision-making by managers. Management accounting is the provision of financial information to managers to assist them with internal decisions and to help them control organizations. Typical financial documents produced under this category are costing reports, break-even reports, and budgets. Types of cost and how cost information is used for break-even analysis is examined. What sort of decisions can management accounting help with? Why are some costs relevant and others irrelevant? How does a company decide at what volume to operate? What are indirect costs, and how are they taken into account in decisions?