An in-depth study of the theories and concepts upon which managerial accounting is based, including foundations in accounting, organizational behavior and the decision sciences. Emphasis upon understanding how accounting, behavioral, and decision theories are combined to form the basis for an effective managerial accounting system within the context of the business entity. Topics covered include activity-based costing, cost allocation methodology, use of cost pools, two-stage cost assignment, capacity issues, and target costing. Prerequisite: ACC 3340 with a grade of "C" or better.