The last two decades has seen a revolution in management accounting theory and practice due to the challenges of the competitive environment in the 1980s. Kaplan and Johnson (1987) identified the failings and obsolescence of existing cost and performance measurement systems which led to re-examination of traditional cost accounting and management control systems. Conventional financial and management accounting methods have developed primarily as a result of corporate legislation in the 1930s forcing companies to provide externally published financial accounts. Management accounting is