As the long-time #1 best-seller Garrison has helped guide close to 3 million students through managerial accounting since it was first published. It identifies the three functions managers must perform within their organisations - plan operations control activities and make decisions - and explains what accounting information is necessary for these functions how to collect it and how to interpret it. Garrison&#39s Managerial Accounting is known for its relevance accuracy and clarity. It is also unique in that the authors write the most important supplements that accompany the book: solutions manual test bank instructor&#39s manual and study guide making them both of high quality and extremely consistent with the textbook.