ghest authority is the FASB Statements of Financial Accounting Standards (FAS), followed by FASB Interpretations (FIN), FASB Staff Positions (FSP), Accounting Principles Board Opinions (APB), AICPA Accounting Research Bulletins (ARB), AICPA Statements of Position (SOP), and AICPA Industry Audit and Accounting Guides (AAG). GAAP pr