Week 9 — One True Balance: Reconciling the Bicycle Shop's Cash

Assignment 8 of the term — reconcile the bicycle shop's bank statement with its Cash account, record only the entries the reconciliation requires, test a swapped-digit error, and set a founder straight about which balance to trust.

This adaptive assignment uses a coaching dialogue to help you turn a first attempt into a clear, evidence-based report. You remain the author. The coach asks questions, checks the reasoning you show, and waits for you to revise before it produces the required report. This week's lecture tutorial, quiz, discussion, and Accounting Workshop practise the same ideas from other angles; this assignment is where you put them together. It builds on Week 3, where you journalized and posted entries with debits and credits, and on Week 8, where you met internal control and its five components.

The task

This week's material is pinned. A bank reconciliation explains the difference between the bank statement balance and the company's cash balance: deposits in transit and outstanding checks adjust the bank side; bank service charges, NSF (not sufficient funds) checks, interest the bank pays, and the company's own errors adjust the book side; both adjusted balances must be equal, and only the book-side items require journal entries. When two digits are swapped in recording a number (a transposition error), the difference between the correct and recorded amounts is evenly divisible by 9. Segregation of duties keeps any one person from both handling an asset and keeping its records, and internal control gives reasonable, not absolute, assurance.

The running case is an illustrative, unnamed bicycle repair and sales shop, organized as a corporation by two founders; it describes no real business. At the end of Month 3 its bank statement and its Cash account disagree, and the shop's control set (Dataset E) calls for a monthly bank reconciliation prepared by someone who does not handle cash. Check No. 209 paid a supplier on account (an illustrative detail).

One of the founders (an illustrative person) sends you this message: "The bank says $8,450 and our books say $8,851. Banks don't make mistakes, so let's set our Cash account to the bank's number and move on. And since I'm the one who makes the deposits, I'll do the reconciliation myself from now on." Your job is to answer the way this course would, starting from four small calculations on the shop's records.

Work these four problems, showing your arithmetic:

1. The bicycle shop's bank statement at the end of Month 3 shows $8,450. A $1,200 deposit is in transit, and check No. 211 for $400 and check No. 214 for $750 are outstanding. What is the adjusted bank balance?
2. The bicycle shop's Cash account at the end of Month 3 shows $8,851. The bank statement shows a $25 service charge, a $300 NSF check from a customer, and $10 of interest earned, and check No. 209 was written for $95 but recorded as $59. What is the adjusted book balance?
3. Check No. 209 was written for $95 but recorded as $59. Divide the difference between the two amounts by 9. What whole number do you get?
4. The bicycle shop's four book-side items are a $25 service charge, a $300 NSF check, $10 of interest earned, and a $36 error on check No. 209 that took too little out of Cash. By how many dollars, net, do the four journal entries lower the Cash account?

Beside each answer, add one brief interpretation:

• Problem 1: name each bank-side item and say why it is added or subtracted; then say why none of them needs a journal entry.
• Problem 2: write the four book-side journal entries, each with the debit first, the credit second, and equal amounts; then say which account the NSF check goes back into and why.
• Problem 3: say what the result suggests about the error on check No. 209 and which side of the reconciliation corrects it; then name the limit of the divide-by-9 test.
• Problem 4: show that the Cash account after posting equals both adjusted balances; explain why these four entries touch Cash even though Week 4's accrual and deferral adjustments never do; and name the Green Book category the monthly reconciliation belongs to, plus one other of the six categories that would protect the shop's cash.

Explain it to a non-expert

The founder means well and has two things wrong. Write a 3–5 sentence message that explains why neither starting balance is the shop's true cash until both are adjusted, why the bank-side items need no entry, and why the person who makes the deposits should not be the one who reconciles the account. Name one limit, such as that a reconciliation shows the two records agree at one moment but does not prove every sale was recorded, or that controls give reasonable, not absolute, assurance. Explain any technical term in everyday words. More than one good answer is possible.

For a different, ungraded example, imagine a housemate who keeps the shared grocery jar and says, "I spent it all on groceries, so there's nothing to check." Model answer: "If the receipts in the drawer plus the cash left in the jar add up to what we put in, then every dollar is accounted for, and we can refill the jar by the amount of the receipts. Counting it together once a month protects you as much as us: if something is short, we will know it was a lost receipt and not a mystery. One caveat: a matching count shows the money adds up, not that every purchase was something we agreed to buy."

Use that pattern for the founder, with your own wording and evidence.

Part 1 — Student instructions

1. Draft all four answers, the four brief interpretations, and your message to the founder before opening a chatbot.
2. Open any course-approved chatbot. Copy the entire Coach Prompt box, including its first and last marker lines, and paste it as one message. The coach will ask for your draft and then work one question at a time.
3. Reply in your own words. Show calculations when asked. Use the coach's feedback to revise at least one calculation or explanation, even if your first attempt was correct.
4. Continue until the prompt's exit condition is met.
5. Save the chat's share link and copy the final report exactly as the coach gives it.

The chatbot is a coach, not a ghostwriter. It must draw out your reasoning rather than write the work for you. Foot both sides of any reconciliation it mentions yourself, add up the debits and credits of every entry, and check every claim it makes about the Green Book against Chapter 9 before you use it.

Coach Prompt

COPY EVERYTHING BELOW THIS LINE
ROLE: You are a careful learning coach for an introductory financial accounting course. Draw out and challenge MY thinking about cash controls and the bicycle shop's bank reconciliation. Do not write my assignment for me, do not invent work I did not show, and never invent a standard, a rule, a rate, a statistic, or a quotation. Every journal entry I write must list the debit first and the credit second, and its debits must equal its credits. Give no tax, legal, or investment advice.

ASSIGNMENT: Work through these four problems in order, one at a time. Do not invent, replace, or reorder a problem. The pinned facts: deposits in transit and outstanding checks adjust the bank side; bank service charges, NSF checks, interest the bank pays, and the company's own errors adjust the book side; both adjusted balances must be equal, and only the book-side items require journal entries. A transposition error leaves a difference evenly divisible by 9. Segregation of duties keeps any one person from both handling an asset and keeping its records, and internal control gives reasonable, not absolute, assurance. The bicycle shop is illustrative. Check No. 209 paid a supplier on account.
PROBLEM P1: The bicycle shop's bank statement at the end of Month 3 shows $8,450. A $1,200 deposit is in transit, and check No. 211 for $400 and check No. 214 for $750 are outstanding. What is the adjusted bank balance?
PROBLEM P2: The bicycle shop's Cash account at the end of Month 3 shows $8,851. The bank statement shows a $25 service charge, a $300 NSF check from a customer, and $10 of interest earned, and check No. 209 was written for $95 but recorded as $59. What is the adjusted book balance?
PROBLEM P3: Check No. 209 was written for $95 but recorded as $59. Divide the difference between the two amounts by 9. What whole number do you get?
PROBLEM P4: The bicycle shop's four book-side items are a $25 service charge, a $300 NSF check, $10 of interest earned, and a $36 error on check No. 209 that took too little out of Cash. By how many dollars, net, do the four journal entries lower the Cash account?
After the four results, I must briefly interpret each one: for P1, each bank-side item and why it is added or subtracted, plus why none needs a journal entry; for P2, the four book-side journal entries, balanced and debit first, plus which account the NSF check goes back into and why; for P3, what the result suggests about the error and which side corrects it, plus the limit of the divide-by-9 test; for P4, the Cash account after posting shown equal to both adjusted balances, why these entries touch Cash although Week 4's accrual and deferral adjustments never do, and the Green Book category of the monthly reconciliation plus one other of the six categories. I must then write a 3-5 sentence message to a founder who wants to set Cash to the bank's number and reconcile the account himself or herself, explaining why neither starting balance is right, why bank-side items need no entry, and why the depositor should not reconcile, with one limit. I must explain technical terms in everyday words.

SCORING CRITERIA: Score only evidence I supply: reconciling the balances (40 points), recording and classifying the reconciling items (32 points), clarity for a non-expert reader (16 points), and showing work so it can be checked (12 points). For each of P1-P4, give 2, 1, or 0 evidence units per criterion; one unit is worth 5 reconciling points, 4 recording points, 2 clarity points, or 1.5 showing-work points. Sum all four problems within each criterion. Count my message to the founder only with P4, not again with P1-P3.
RECONCILING UNITS: A correct dollar amount or whole number = 2; the right figures and operations with only an arithmetic slip = 1; a missing value, a reversed addition or subtraction, or the wrong figures = 0. Do not penalize an alternative valid method or equivalent correct notation.
RECORDING UNITS: For P1-P3 separately, an interpretation that meets both parts named for that problem = 2; exactly one part = 1; neither = 0. For P4, BOTH the Cash account after posting shown equal to both adjusted balances, with the reason these entries touch Cash and two named control categories, AND a message to the founder that covers why neither starting balance is right, why bank-side items need no entry, and why the depositor should not reconcile, with a named limit = 2. If full P4 evidence is absent but at least one accurate substantive part appears, give 1. No accurate reading = 0; naming a term alone does not earn a unit, and a journal entry for a bank-side item, an outstanding check on the book side, the NSF check recorded as an expense, a reversed debit and credit, or the bank's balance treated as the true cash is not accurate. An arithmetic slip alone is not a recording error.
CLARITY UNITS: For each problem, labeled evidence understandable to someone new to accounting, with technical terms explained = 2; intelligible evidence that needs rereading because of ambiguity or jargon = 1; absent or unintelligible evidence = 0. Include the message to the founder with P4 if submitted. Missing reasoning alone does not lower clarity for otherwise clear submitted work.
SHOWING-WORK UNITS: For each problem, checkable figures and steps = 2; a relevant but incomplete figure or step = 1; a result alone or no method = 0. A visible method stays checkable despite an arithmetic slip.

Do NOT invent grading rules.

DIALOGUE RULES: Ask exactly one question per message and wait for my reply. Start by asking for my complete first attempt. Build each next question from my exact words. Probe an unsupported claim and ask me to examine its evidence. Keep the conversation focused on questions rather than completed work.

ENGAGEMENT GUARDS: A greeting, copied prompt, yes/no reply, or one-word reply is not a substantive exchange. Do not flatter or accept agreement as evidence. Praise only a concrete move I made. If evidence is missing, say what is missing and ask for it. Require a real revision plus a short reflection on why the revision is better. Do not issue the report early.

EXIT CONDITION: Continue until at least five substantive exchanges have occurred AND I have supplied all four results and their brief interpretations AND written my message to the founder AND revised at least one calculation or explanation AND reflected on the revision. Stop only after whichever requirement happens last.

REPORT: After the exit condition is satisfied, output exactly these labelled lines in this order. Replace X with the exact earned score; it may end in .5 and must not be rounded to a whole number. Base every line only on evidence in this chat; write "Not supplied" for missing evidence and never raise the score for polished chatbot prose.
STUDENT'S SCORE: X/100
EVIDENCE FOR THE SCORE: [specific evidence from my calculations and reasoning]
REVISION MADE: [what I changed and why]
STRENGTH: [one earned strength]
NEXT STEP: [one concrete improvement]
Then tell me to submit this report, my revised work, and the share link.
COPY EVERYTHING ABOVE THIS LINE

Deliverables

Submit these three items in the assignment entry:

• your revised work with all four results, their brief interpretations, the four journal entries, and your message to the founder — written, or recorded as audio or video with a transcript, or as a labelled spreadsheet of the reconciliation with a short explanation; every form is graded by the same scoring criteria;
• the coach's five-line report; and
• the conversation share link.

Submit in any accessible file type or as a link; a recorded response may be submitted as audio or video with a transcript, or as text.

Equivalent route (no AI required)

This route assesses the same Week 9 skills — reconciling the bicycle shop's bank and book balances to one true cash figure, recording only the book-side items as balanced journal entries, testing a swapped-digit error, applying the control activities to cash, and explaining the reconciliation in plain words — for comparable time and effort, about 60 to 90 minutes, the same as the coached route. Complete the same four problems, the four brief interpretations, the four journal entries, and the message to the founder. Then audit your own first draft against the attached scoring criteria, criterion by criterion, and write a second draft. Add a 150–200 word revision memo that names one calculation or explanation you changed, the evidence that prompted the change, and one question you still have about this week's material. Submit the revised work, your completed criteria checklist, and the revision memo in the assignment entry; together they replace the share link and the coach's report. This route uses the same scoring criteria and the same points, with no penalty for choosing it.

How you'll be graded

The full analytic rubric is attached to this assignment in Canvas.

Academic integrity and AI use

The calculations, entries, reasoning, revision, and final report must be your own. Do not ask the chatbot to create the assignment or add evidence you did not produce, and do not let it write entries for bank-side items, put an outstanding check on the book side, or record the NSF check as an expense. Submit an honest share link from your own dialogue. The equivalent route keeps the same workload and evidence and requires no AI account.

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