| Course | AC410 Auditing |
|---|---|
| Unit | Unit 3 |
| Paper type | Materiality computation |
| Length | About 540 words, 4 pages double-spaced |
| Format | APA 7 student paper |
| School | Purdue University Global |
| Program | BS in Accounting |
| Updated | October 2026 |
Free sample paper for AC410 Unit 3
$96,000 and the Reasons Behind It: A Unit 3 Materiality Computation for a Stair Lift Maker's Audit
[Student Name]
Purdue University Global
AC410: Auditing
Unit 3 Materiality Computation
[Instructor Name]
[Date]
Hallcroft Lifts and every figure are composite; the standards, study and textbook cited are real.
Computation
1. Reported pretax income: $1,380,000.
2. Add back a $540,000 settlement of a product liability lawsuit over a seat swivel failure, which management and the team agree will not recur.
3. Normalized pretax income: $1,920,000.
4. Overall materiality at 5 percent: $96,000.
Alternatives Considered
1. 5 percent of reported pretax income: $69,000. Not used, because the one-time settlement depresses income and would set materiality lower than readers' decisions warrant.
2. 0.5 percent of revenue of $31,600,000: $158,000. Not used; for a profitable manufacturer, users focus on earnings, and revenue would allow errors large relative to income.
3. 2 percent of equity of $8,900,000: $178,000. Not used for the statements as a whole, though equity matters to the brother's buyout.
4. 1 percent of total assets of $14,200,000: $142,000. Not used; assets do not drive any reader's main decision.
Normalizing removes the lawsuit because the bank and the motor supplier judge Hallcroft on what it usually earns, while the buyout price depends on equity, so the team also sets a lower figure for the accounts that move equity most.
Why 5 Percent
Five percent of a profit benchmark is within the range most firms' guidance uses for a stable, profitable private company; surveys of large firms' materiality guidance show percentages of roughly 3 to 10 percent of pretax income, with 5 percent most common (Eilifsen & Messier, 2015). Hallcroft has no history of material misstatements, its owners are not seeking new financing, and its debt covenants are not close to their limits, so nothing pushes the percentage lower.
Performance Materiality
Performance materiality: 75 percent of overall, $72,000. The team chose 75 percent rather than the 50 to 60 percent used in riskier engagements because adjustments in the past two years were few and small. The auditing standard on materiality explains the cushion: by planning work at a lower figure, the team keeps the combined total of misstatements it never finds plus those it finds but management leaves uncorrected from reaching the overall threshold (American Institute of Certified Public Accountants, 2023). With more history of large adjustments, the team would have chosen a lower percentage and tested more items.
Specific Materiality
The warranty reserve and the rebate accrual each feed equity directly and affect the buyout price. A lower specific materiality of $60,000 applies to each, so errors that would matter to the brother are not left below the overall threshold.
Clearly Trivial Threshold
5 percent of overall materiality: $4,800. Misstatements below this amount will not be accumulated on the summary of misstatements, because they are clearly inconsequential individually and together.
Summary for the File
Benchmark: normalized pretax income of $1,920,000. Overall materiality: $96,000. Performance materiality: $72,000. Specific materiality for the warranty reserve and rebate accrual: $60,000. Clearly trivial: $4,800. Materiality will be revisited at year end if actual results differ substantially from the forecast used here, as the standards require when new information comes to light (Arens et al., 2020).
References
American Institute of Certified Public Accountants. (2023). AU-C section 320: Materiality in planning and performing an audit. In AICPA professional standards. AICPA.
Arens, A. A., Elder, R. J., Beasley, M. S., & Hogan, C. E. (2020). Auditing and assurance services (17th ed.). Pearson.
Eilifsen, A., & Messier, W. F. (2015). Materiality guidance of the major public accounting firms. Auditing: A Journal of Practice & Theory, 34(2), 3-26. https://doi.org/10.2308/ajpt-50882
What the AC410 Unit 3 assignment asks for
Unit 3 of AC410 asks you to set materiality for a client and defend the judgment behind it. Begin with the benchmark and show the arithmetic, including any adjustment for unusual items. Compute at least three alternative benchmarks and explain why each was not used, tying the choice to what the statements' readers care about. Justify the percentage with reference to practice, not just the textbook's range. Derive performance materiality and explain the cushion you chose by reference to the engagement's history. Consider whether particular accounts need a lower specific figure because a reader's decision depends on them. Set the threshold below which misstatements will not be accumulated. End with a short file summary and a note on when materiality will be revisited. Cite the AICPA materiality standard, the textbook and research on firm guidance in APA 7.
How the AC 410 Unit 3 example is put together
The computation section adds back the lawsuit settlement in four numbered lines and lands on $96,000. The alternatives section rejects reported income, revenue, equity and total assets, giving each a figure and the case against it. In the highlighted sentence, the bank and supplier judge typical earnings while the buyout depends on equity, which sets up a specific figure. A paragraph defends 5 percent with Eilifsen and Messier's survey of large firms' guidance and notes that nothing about Hallcroft argues for a lower rate. Performance materiality is set at $72,000, with the cushion explained through the AICPA standard. Specific materiality of $60,000 covers the warranty reserve and rebate accrual. The clearly trivial threshold is $4,800, and a file summary restates every figure and the condition for revising them.
Reading the AC410 Unit 3 grading rubric
AC410 materiality work is graded on the judgment shown, not the arithmetic alone. The benchmark must suit the entity and its readers, and the normalization of unusual items must be explained. Alternatives considered and rejected with reasons earn significant credit, because they show the number was chosen rather than assumed. The percentage should be defended by reference to practice or guidance. Performance materiality needs a stated rationale tied to the engagement's risk and history. Recognizing that some accounts warrant a lower threshold, and saying why, separates strong work from adequate work. Clearly trivial must be distinguished from materiality, not confused with it. Accurate computations, a summary that agrees with the detail and APA 7 citations to the materiality standard round out the Unit 3 criteria.
AC410 Unit 3 help: mistakes that cost points
Unit 3 computations often apply 5 percent of reported income without asking whether that income is typical, so a one-time loss sets the audit's threshold. Alternatives are listed with figures but no reasons. The percentage is presented as required by the standards, which it is not. Performance materiality is set at a round fraction with no link to the client's history of adjustments. Specific materiality is missing even where one reader's decision depends on particular accounts. The clearly trivial threshold is treated as a second materiality level. Numbers in the summary do not match the computation. If your client is a nonprofit, a loss-making startup or a bank, our team can set the benchmark and the reasoning that fits it.
Get an AC410 Unit 3 example written to your instructions
Whatever statements or trial balance accompany Unit 3, anything the prompt says about users or unusual items, and the rubric are all this needs. Benchmark, percentage and the derived thresholds come back within 24-48h, each computed and defended against the alternatives. A first custom sample is yours free. The paper above is an original model document written by our desk, not a submitted student paper and not an official Purdue University Global document.
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AC410 Unit 3 questions, answered
Why normalize income instead of using the reported figure?
Because the benchmark should reflect the earnings readers treat as typical. A one-time lawsuit settlement depresses this year's income; using the reported figure would set materiality lower than the business warrants and push testing toward immaterial items. The AC410 sample removes it and states why, which lets a reviewer disagree on the record. If the item might recur, the sample keeps it in.
Is 5 percent of pretax income required?
No standard fixes the percentage. AICPA and PCAOB standards require materiality to be set with professional judgment, and firms publish their own guides, in which 5 percent of pretax income is a common starting point for profitable entities. The sample presents it as practice and explains why it suits this client. Your textbook or instructor may prefer a range, and the reasoning adapts to it.
What is the clearly trivial threshold used for?
It sets the size below which misstatements need not be accumulated on the summary of uncorrected misstatements, because even many of them together would clearly not matter. It is not a second materiality level. The sample uses 5 percent of overall materiality, 4,800, and states that any misstatement above it goes onto the summary whether or not management corrects it.
Where can I find a free AC410 Unit 3 sample paper?
This page holds a complete AC410 Unit 3 materiality computation for a composite lift manufacturer, including a normalized benchmark, four rejected alternatives, performance and specific materiality, a trivial threshold and APA 7 references.
Why does the AC410 Unit 3 sample set specific materiality at $60,000?
The warranty reserve and the rebate accrual both move equity, and a former owner's buyout price is set from audited equity, so errors in those accounts could matter to him below the $96,000 overall figure.