| Course | AC410 Auditing |
|---|---|
| Unit | Unit 8 |
| Paper type | Seminar reflection |
| Length | About 880 words, 6 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 8
"Reasonable," I Wrote: A Unit 8 Seminar Reflection on Accepting a Vice President's Motor Story
[Student Name]
Purdue University Global
AC410: Auditing
Unit 8 Seminar Reflection
[Instructor Name]
[Date]
Hallcroft Lifts, its people and every figure are composite; the standard and studies cited are real.
The Note I Wrote
At the October interim visit to Hallcroft Lifts, a composite stair lift maker, I was the staff auditor updating the planning analytics. In the third-quarter warranty calculation, the expected claim rate had dropped to 2.1 percent of lifts under warranty, against 2.9 percent before, cutting about $230,000 from the reserve. I asked the operations vice president why. He told me the drive motor introduced in 2023 had sealed bearings and a redesigned gearbox, and that dealers were reporting far fewer failures. My workpaper note, copied exactly, reads: "Claim rate lowered per VP; new motor more reliable. Reasonable. No further work."
Two weeks later the walkthrough found that the controller had accepted the same explanation in the same way, with her initials on the calculation and no analysis behind them. I had criticized her review in my own draft of that finding. In the seminar the facilitator put my interim note on the screen beside her initials and asked how the two were different. I did not have a good answer.
Question 1: What Did the Explanation Claim?
My first answer was that it claimed the new motor was better. The facilitator pushed for something that could be checked. Restated, the explanation was a claim about numbers: new-motor lifts fail less often than old-motor lifts at the same age, and there are enough of them under warranty to pull the blended rate down by 0.8 of a point. Put that way, the claim had two parts, and I had tested neither.
Question 2: What Would Have to Be True?
A classmate did the arithmetic on the board. About 39,000 lifts are under warranty, and roughly half carry the new motor, since it has been fitted to every lift sold since mid-2023. If old motors still fail at 2.9 percent, the new ones would need a rate near 1.3 percent to bring the blend to 2.1, a reduction of more than half. A motor that failed 30 percent less often, which would be a large engineering gain, would move the blend only to about 2.5 percent.
The explanation was plausible in direction and impossible in size, and I would have seen that with a calculator and the census of lifts under warranty, both of which were already in my working papers.
Another classmate raised age. Every new-motor lift is less than three years old, and drive motors fail more often late in a warranty than early. Comparing young new-motor lifts with an all-ages rate makes the new motor look better whether or not it is. The fair comparison is new against old at the same age, and the claims data allowed exactly that.
Question 3: Why Did You Accept It?
I said I lacked the engineering background to challenge a vice president about gearboxes. The facilitator replied that nobody had asked me to. The model of skepticism in Nelson (2009) distinguishes skeptical judgment, seeing that a claim needs evidence, from skeptical action, which is acting on that judgment, and proposes that knowledge, incentives and traits each shape both. My failure came at the first step. I treated a confident account from a senior person as evidence in itself.
The scale developed by Hurtt (2010) describes skepticism as several traits, among them a questioning mind and suspension of judgment until evidence is sufficient. I rated myself honestly: I asked the question, which was the questioning mind, and then concluded in half a minute, which was the opposite of suspending judgment. Under the auditing standards, professional skepticism is an attitude with three parts: a mind that asks questions, watchfulness for signs that something could be misstated, and evaluating evidence critically (American Institute of Certified Public Accountants, 2023). I had the first and skipped the third.
What Skepticism Was Not
One classmate argued that the vice president was probably right that the new motor is better, and that auditors who treat every explanation as a lie damage the relationship and waste time. I agree with most of that. Nothing in the file suggests he invented anything. His bonus depends on gross margin, which is a reason to test his explanation, not a reason to disbelieve it. The point of the seminar for me was that "reasonable" is a conclusion, and I wrote it before I had any evidence to conclude from.
The Rule I Take From It
Before I write "reasonable" next to a client explanation again, I will do three things:
1. Restate the explanation as a claim about numbers that could be wrong.
2. Work out how large the effect would have to be to produce the change, and ask whether that size is believable.
3. Find one piece of evidence that does not come from the person who gave the explanation.
At Hallcroft, step 2 alone would have taken five minutes and changed the plan. The age-matched comparison that later went into the evidence memo showed new-motor and old-motor lifts failing at almost the same rate in their first two years.
References
American Institute of Certified Public Accountants. (2023). AU-C section 200: Overall objectives of the independent auditor and the conduct of an audit in accordance with generally accepted auditing standards. In AICPA professional standards. AICPA.
Hurtt, R. K. (2010). Development of a scale to measure professional skepticism. Auditing: A Journal of Practice & Theory, 29(1), 149-171. https://doi.org/10.2308/aud.2010.29.1.149
Nelson, M. W. (2009). A model and literature review of professional skepticism in auditing. Auditing: A Journal of Practice & Theory, 28(2), 1-34. https://doi.org/10.2308/aud.2009.28.2.1
Reading the AC 410 Unit 8 instructions
The eighth AC410 seminar asks you to reflect on a moment when a client explanation was accepted too easily. Write in the first person and quote the evidence of acceptance, such as your own workpaper note, rather than paraphrasing it. Organize the reflection around the facilitator's questions so each section shows what you first thought and what changed it. Restate the explanation as a claim that could be tested, then work out the conditions under which it could be correct. Use research on professional skepticism to explain why the acceptance happened, applying it to yourself rather than summarizing it. Address the difference between skepticism and distrust. Close with a practical rule you will follow. Cite the AICPA standard that defines professional skepticism and at least one study in APA 7.
Inside the AC410 Unit 8 example
The opening section quotes the writer's interim note in full and explains that the controller later accepted the same explanation the same way. Three sections follow the facilitator's questions. The first restates the vice president's account as a two-part claim about failure rates and the number of new-motor lifts. The second works through a classmate's arithmetic: with half the fleet on new motors, they would need a rate near 1.3 percent. The highlighted sentence admits the test needed only a calculator and data already on file. A classmate's point about age follows. The third question applies Nelson's model and Hurtt's scale to the writer's own lapse and cites AU-C 200. A section on what skepticism is not, and a numbered three-step rule, close the reflection.
Where the points sit in the AC410 Unit 8 rubric
AC410 seminar reflections are graded on honest self-assessment and the visible development of thinking. Quoting what you actually did earns more than describing it in general. Each section should show a first view and what changed it, tied to a specific question or comment from the seminar. Turning the client's explanation into a testable claim demonstrates understanding of skepticism as a method. Research must be applied, so a reflection that explains your own lapse through a model's terms scores higher than one that summarizes the model. Graders look for balance: recognizing that an explanation may be true while still requiring evidence. A practical rule at the end shows learning carried forward. First-person voice, accurate case figures and APA 7 citations to the standard and studies complete the criteria for this Purdue Global seminar.
AC410 Unit 8 help: mistakes that cost points
Many Unit 8 reflections describe the case and never say what the writer personally did or thought. Others confess vaguely that "more skepticism was needed" without showing what testing would have looked like. The client is portrayed as dishonest without evidence, which confuses skepticism with suspicion. Research on skepticism is summarized in a paragraph and never connected to the writer's choices. Arithmetic that could test the explanation is missing. The closing lesson is a slogan rather than a step that could be followed. If your seminar used a different explanation, such as a margin change, a slow-paying customer or a subsequent event, our writers can build the reflection around your own case and your seminar's questions.
Get an AC410 Unit 8 example written to your instructions
Describe the client explanation your Unit 8 session turned on and any figures shown, then attach the rubric; a written-option prompt serves just as well. Expect the reflection within 24-48h, in first person with space for your own remarks, and a first custom sample at no cost. 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 8 questions, answered
What if my seminar used a different case?
The reflection follows your case. AC410 seminars in this unit often use a client explanation for a fluctuation, a confirmation exception or a subsequent event. The sequence carries over: the explanation as accepted, the evidence that challenged it, the mechanism behind the numbers, and a practical rule. Share the case and the rubric, or the written alternative's prompt if your section offers one.
Where can I find a free AC410 Unit 8 sample paper?
This page holds a complete AC410 Unit 8 seminar reflection on accepting a client's explanation for a lower warranty claim rate, with three seminar questions, research on skepticism, a three-step rule and APA 7 references.
What arithmetic exposed the explanation in AC410 Unit 8?
About half of the 39,000 lifts under warranty carry the new motor. For the blended rate to fall from 2.9 to 2.1 percent, new motors would need a rate near 1.3 percent, more than a 50 percent reduction.
Why does age matter in the AC410 Unit 8 case?
Every new-motor lift is under three years old, and drive motors fail more often late in a warranty. Comparing young lifts with an all-ages rate makes the new motor look better whether or not it is.
Is professional skepticism the same as distrusting the client?
No. The standards describe a questioning mind and critical assessment of evidence. The sample's writer concludes the vice president may well be right about the motor; the error was writing "reasonable" before any evidence existed.