Principles of Financial Accounting: Internal Control and Cash Internal Control Definition Principles

What It Is

Internal control refers to the system of policies, procedures, and checks that a company uses to ensure the accuracy, reliability, and integrity of its financial transactions and reporting. It is essential in financial accounting as it helps prevent and detect errors, irregularities, and misstatements. For example, if a company buys $10,000 of inventory, internal control would ensure that the purchase is properly authorized, recorded, and verified to prevent overstatement of inventory or misappropriation of funds.

Key Concepts & Formulas

• Separation of Duties: The division of tasks among employees to prevent any one person from having too much control over a transaction. For example, the purchasing manager may be responsible for ordering inventory, but the accounts payable clerk must verify and approve the payment.
• Authorization: The process of obtaining approval for transactions, such as purchases or payments, from authorized personnel. For example, a manager may be required to approve all purchases over $5,000.
• Physical Controls: The use of physical barriers, such as locks and alarms, to prevent unauthorized access to assets or sensitive areas. For example, a company may use a safe to store cash and valuable items.
• Reconciliations: The process of comparing and verifying the accuracy of financial statements, such as bank statements or inventory counts. For example, a company may reconcile its bank statement to ensure that all transactions are properly recorded.
• Accounting Equation: Assets = Liabilities + Equity. This equation is the foundation of accounting and ensures that all financial transactions are properly recorded and balanced.
• Debit/Credit Rules: Debits increase assets and expenses, while credits increase liabilities and equity. For example, a debit to cash increases the asset account, while a credit to cash decreases the asset account.
• Ratio Formulas: Various formulas, such as the current ratio (Current Assets / Current Liabilities) and the debt-to-equity ratio (Total Debt / Total Equity), are used to evaluate a company's financial health and performance.

Journal Entry Examples

Example 1: Purchase of Inventory

Dr. Inventory $10,000 Cr. Accounts Payable $10,000

Explanation: The purchase of inventory is recorded as a debit to inventory, increasing the asset account, and a credit to accounts payable, increasing the liability account.

Example 2: Payment of Salaries

Dr. Salaries Expense $5,000 Cr. Cash $5,000

Explanation: The payment of salaries is recorded as a debit to salaries expense, increasing the expense account, and a credit to cash, decreasing the asset account.

Example 3: Reconciliation of Bank Statement

Dr. Cash $1,000 Cr. Bank Statement $1,000

Explanation: The reconciliation of the bank statement is recorded as a debit to cash, increasing the asset account, and a credit to the bank statement, increasing the liability account.

Common Mistakes

• Mistake: Confusing debits and credits for expense accounts.
• Correction: Remember that debits increase assets and expenses, while credits increase liabilities and equity. Use the mnemonic "ADE" (Assets, Drawings, Expenses) to help you remember.
• Mistake: Failing to properly authorize transactions.
• Correction: Ensure that all transactions are properly authorized by the appropriate personnel. Use the principle of separation of duties to prevent any one person from having too much control over a transaction.
• Mistake: Not performing reconciliations regularly.
• Correction: Regularly reconcile financial statements, such as bank statements or inventory counts, to ensure that all transactions are properly recorded and balanced.

Exam Tips

• Tip: Remember that debits increase assets and expenses, while credits increase liabilities and equity. Use the mnemonic "ADE" (Assets, Drawings, Expenses) to help you remember.
• Tip: Ensure that all transactions are properly authorized by the appropriate personnel. Use the principle of separation of duties to prevent any one person from having too much control over a transaction.
• Tip: Regularly reconcile financial statements, such as bank statements or inventory counts, to ensure that all transactions are properly recorded and balanced.

Quick Practice

Problem 1: Adjusting Entry for Accrued Salaries

What is the adjusting entry for accrued salaries of $5,000?

Answer: Dr. Salaries Expense $5,000, Cr. Accrued Salaries $5,000

Explanation: The adjusting entry for accrued salaries is recorded as a debit to salaries expense, increasing the expense account, and a credit to accrued salaries, increasing the liability account.

Problem 2: Reconciliation of Bank Statement

What is the adjusting entry for a bank reconciliation of $1,000?

Answer: Dr. Cash $1,000, Cr. Bank Statement $1,000

Explanation: The reconciliation of the bank statement is recorded as a debit to cash, increasing the asset account, and a credit to the bank statement, increasing the liability account.

Problem 3: Purchase of Inventory

What is the journal entry for the purchase of inventory of $10,000?

Answer: Dr. Inventory $10,000, Cr. Accounts Payable $10,000

Explanation: The purchase of inventory is recorded as a debit to inventory, increasing the asset account, and a credit to accounts payable, increasing the liability account.

Last-Minute Cram Sheet

• Assets = Liabilities + Equity (Accounting Equation)
• Debits increase assets and expenses, while credits increase liabilities and equity (Debit/Credit Rules)
• Separation of duties is essential to prevent any one person from having too much control over a transaction (Separation of Duties)
• Authorization is required for all transactions (Authorization)
• Physical controls, such as locks and alarms, are used to prevent unauthorized access to assets or sensitive areas (Physical Controls)
• Reconciliations are performed regularly to ensure that all financial statements are accurate and balanced (Reconciliations)
• Dividends are not an expense, but rather a distribution of retained earnings (⚠️ Dividends)
• Cash is a current asset, while accounts payable is a current liability (Current Assets and Liabilities)
• The current ratio is calculated as Current Assets / Current Liabilities (Ratio Formulas)
• The debt-to-equity ratio is calculated as Total Debt / Total Equity (Ratio Formulas)