Assurance services

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Accounting
Historical cost Constant purchasing power Management Tax
Major types Audit Budget Cost Forensic Financial Fund Governmental Management Social Tax
Key concepts Accounting period Accrual Constant purchasing power Economic entity Fair value Going concern Historical cost Matching principle Materiality Revenue recognition Unit of account
Selected accounts Assets Cash Cost of goods sold Depreciation / Amortization (business) Equity Expenses Goodwill Liabilities Profit Revenue
Accounting standards Generally-accepted principles Generally-accepted auditing standards Convergence International Financial Reporting Standards International Standards on Auditing Management Accounting Principles
Financial statements Annual report Balance sheet Cash-flow Equity Income Management discussion Notes to the financial statements
Bookkeeping Bank reconciliation Debits and credits Double-entry system FIFO and LIFO Journal Ledger / General ledger Trial balance
Auditing Financial Internal Firms Report Sarbanes–Oxley Act
People and organizations Accountants Accounting organizations Luca Pacioli
Development History Research Positive accounting Sarbanes–Oxley Act
Misconduct Creative Earnings management Error account Hollywood Off-balance-sheet Two sets of books
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Assurance service is an independent professional service, typically provided by Chartered or Certified Public Accountants or Chartered Certified Accountants, with the goal of improving information or the context of information so that decision makers can make more informed, and presumably better, decisions. Assurance services provide independent and professional opinions that reduce information risk (risk from incorrect information).^[1]