Managerial accounting involves collecting, analyzing, and reporting information about the operations and finances of a business. These reports are generally directed to the managers of a business, rather than to any external entities, such as shareholders or lenders. The functions of managerial accounting include: 1  Margin analysis. 2  Breakeven analysis. 3  Constraint analysis. 4  Target costing. 5  Inventory valuation. 6  Trend analysis. 7  Transaction analysis. 8  Capital budgeting analysis.