This revised and updated edition of Managerial Accounting: Costing, Decision-making and Control highlights the accumulation and use of accounting information for managerial decision-making within the context of organisational strategy and control. It offers a comprehensive treatment of both the theory and practice of managerial accounting, and also discusses important developments in the discipline. A core textbook for the CAP 1 and CAP 2 levels of the Chartered Accountants Ireland professional course, it also is intended for anyone studying the discipline of managerial accounting, either at undergraduate or postgraduate levels.