BackInternal Control, Receivables, and Inventory: Study Guide for Financial Accounting
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Internal Control and Cash
The Fraud Triangle
The fraud triangle is a foundational concept in internal control, illustrating the three elements necessary for fraud to occur: motive, opportunity, and rationalization. Understanding these elements helps organizations design controls to prevent fraud.
Motive: The reason or incentive for committing fraud, such as financial pressure.
Opportunity: The ability to commit fraud, often due to weak internal controls.
Rationalization: The justification or reasoning that makes fraud acceptable to the perpetrator.

The Function of an Internal Control System
Internal controls are processes and procedures implemented by companies to safeguard assets, ensure accurate financial reporting, and promote operational efficiency. They act as barriers against fraud, waste, and inefficiency.
Fraud: Prevents unauthorized use or theft of company assets.
Waste: Reduces unnecessary expenditures and resource misuse.
Inefficiency: Promotes effective and efficient operations.

The Components of Internal Control System
An effective internal control system consists of several interrelated components, often illustrated as a house structure. These components work together to create a robust control environment.
Control Environment: The foundation, including ethical values and management philosophy.
Risk Assessment: Identifying and analyzing risks that may affect objectives.
Control Procedures: Policies and procedures to address risks.
Information System: Processes for recording and reporting financial data.
Monitoring: Ongoing review of controls by management and auditors.

Internal Control Procedures
Internal control procedures are specific actions taken to achieve the objectives of internal control. These include:
Smart Hiring Practices: Background checks, training, supervision, competitive salaries, and clear responsibilities.
Separation of Duties: Dividing asset handling, record keeping, and transaction approval among different employees.
Adequate Records: Maintaining detailed, prenumbered documents for transactions.
Information Technology: Using electronic systems for improved accuracy and speed.
Cash Receipts by Mail
Cash receipts by mail require strict controls to prevent theft or misappropriation. The process involves multiple departments to ensure separation of duties and accurate recording.
Mailroom opens mail and prepares remittance advice.
Treasurer deposits checks and prepares deposit ticket.
Accounting department records the total amount.
Controller oversees the process.

Controls Over Payment by Check
Controls over payments involve splitting duties among purchasing, receiving, preparing payment, and approving payment. This reduces the risk of unauthorized payments.
Purchase order, receiving report, and invoice are matched before payment.

Bank Reconciliation and Journalizing Transactions
Bank reconciliation compares the company's records with the bank's records to identify discrepancies. Adjustments are journalized to reflect accurate cash balances.
Bank Side: Deposits in transit, outstanding checks, bank errors.
Book Side: Bank collections, electronic funds transfers, service charges, interest revenue, NSF checks, printed check costs, book errors.

Receivables and Revenue
Revenue Recognition under GAAP
Revenue is recognized when it is earned, typically when goods are delivered or services performed. The amount recorded is the cash received or the fair market value of assets received.
Five-step process for revenue recognition:
Identify the contract(s).
Identify the performance obligation(s).
Determine the transaction price.
Allocate the transaction price to the performance obligations.
Recognize revenue when the entity satisfies the obligations.


Sales Returns and Allowances
Sales returns and allowances account for customer returns and adjustments. Companies estimate returns based on historical data and record adjusting entries at period end.
Credit memo authorizes a credit to the customer’s account.
Estimated returns are recorded as liabilities and inventory adjustments.

Sales Discounts
Sales discounts incentivize early payment by customers. For example, "2/10, n/30" means a 2% discount if paid within 10 days; otherwise, full payment is due in 30 days.
Discounts reduce accounts receivable and revenue.
Types of Receivables
Receivables are monetary claims against others and are classified as current assets. They arise from selling goods/services (accounts receivable) or lending money (notes receivable).
Trade receivables are common in business operations.
Allowance for Uncollectible Accounts
Companies estimate uncollectible accounts to match expenses with revenues. The allowance method records estimated losses and uses a contra account to show expected uncollectibles.
Percent-of-sales method: Expense is a percent of revenue (income statement approach).
Aging-of-receivables method: Specific accounts analyzed by age (balance sheet approach).




Direct Write-Off Method
The direct write-off method records expense when a specific account is deemed uncollectible. It is not GAAP-compliant because it may overstate assets and fails to match expenses with revenues.
No allowance account is used.
Receivables Ratios
Key ratios help evaluate liquidity and efficiency:
Quick (Acid-Test) Ratio:
Accounts Receivable Turnover:
Days' Sales Outstanding (DSO):
Inventory and Cost of Goods Sold
Inventory Accounting
Inventory is an asset until sold, at which point its cost becomes an expense (cost of goods sold) on the income statement. Gross profit is sales revenue minus cost of goods sold.
Inventory on hand is reported as an asset.
Inventory sold is reported as an expense.
Periodic vs. Perpetual Inventory Systems
Inventory systems track purchases and sales:
Perpetual: Continuous record of inventory; used for all goods.
Periodic: Inventory counted periodically; used for inexpensive goods.
Inventory Costing Methods
Companies may use different methods to assign costs to inventory and cost of goods sold:
Specific-identification: Tracks individual items.
Average-cost: Uses weighted average cost.
First-in, first-out (FIFO): First costs in are first costs out.
Last-in, first-out (LIFO): Last costs in are first costs out.




Income Effects of Inventory Methods
Inventory methods affect cost of goods sold, gross profit, and taxes. FIFO yields higher gross profit when costs are rising, while LIFO yields lower taxable income and tax savings.
Method | Sales Revenue | Cost of Goods Sold | Gross Profit |
|---|---|---|---|
FIFO | $1,000 | 540 (lowest) | $460 (highest) |
LIFO | $1,000 | 660 (highest) | $340 (lowest) |
Average | $1,000 | 600 | $400 |
Lower-of-Cost-or-Market (LCM) Rule
The LCM rule requires inventory to be reported at the lower of historical cost or market value (net realizable value), ensuring relevance and faithful representation.
Protects against overstating assets.
Inventory Turnover and Days Inventory Outstanding (DIO)
These ratios measure how quickly inventory is sold and replaced:
Inventory Turnover:
Average Inventory:
A higher turnover indicates efficient inventory management; DIO shows the average days inventory is held before sale.