As the long-time best-seller, Garrison has helped guide close to 2 million students through the challenging waters of managerial accounting since it was first published. It identifies the three functions managers must perform within their organizations-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. To achieve this, Managerial Accounting, 12/E, focuses, now as in the past, on three qualities: