The Life Starter
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Course Library · Lesson 4 of 6
Money · Guided lesson

Allocate depreciation

About 12 minutes · 4 reading + 8 practice and checks
Time includes reading, practice, and questions. Extra videos or further study are optional.
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A fictional month-end adjustment packet with accruals, prepayments, depreciation, corrected trial balance and reconciled income statement.

Keep your working files in your own notebook or software. Save a private description, checklist, and work link in My Proof.

What to include

  • An earned-revenue adjustment journal and posted balances.
  • An unpaid-wage accrual and later-settlement distinction.
  • A prepaid-rent release schedule and asset/expense posting.
  • A depreciation assumption schedule and gross/contra/net bridge.
  • A posted adjustment journal and complete adjusted trial balance.
  • An adjusted income statement, balance-sheet bridge and changed-earned-revenue check.

Review and revise

Use these criteria to check your work and choose what to improve.

  • Cutoff: each adjustment has period evidence.
  • Journal: debit/credit accounts and amounts are correct.
  • Posting: adjusted balances and totals reconcile.
  • Statements: profit and net assets obey the accounting equation.
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Before you begin

The idea in everyday life

Original fictional practice. All money is USD. No account, payment, personal record or outside participation is required. Original fictional month-end unadjusted trial balance: debit cash 5,000; accounts receivable 1,000; prepaid rent 1,200; equipment 2,400; wages expense 600. Credit accounts payable 800; unearned revenue 1,200; owner capital 6,200; service revenue 2,000. Each side totals 10,200. Month-end evidence:400 of advance service was earned;300 service earned but unbilled;250 wages incurred/unpaid; prepaid rent covers three equal months including this one; equipment cost 2,400, zero residual,24-month straight-line life, full month in use. No other transactions, tax, drawings or opening accumulated depreciation.

The idea

Depreciation allocates cost; it does not measure resale or create a cash payment.

Follow along

Allocate depreciation — complete worked case

Depreciation allocates cost; it does not measure resale or create a cash payment.

Original fictional month-end unadjusted trial balance: debit cash 5,000; accounts receivable 1,000; prepaid rent 1,200; equipment 2,400; wages expense 600. Credit accounts payable 800; unearned revenue 1,200; owner capital 6,200; service revenue 2,000. Each side totals 10,200. Month-end evidence:400 of advance service was earned;300 service earned but unbilled;250 wages incurred/unpaid; prepaid rent covers three equal months including this one; equipment cost 2,400, zero residual,24-month straight-line life, full month in use. No other transactions, tax, drawings or opening accumulated depreciation.

Unadjusted original trial balance

Paste at A1.

AAccountBDebitCCredit
Cash50000
Receivable10000
Prepaid rent12000
Equipment24000
Wages expense6000
Payable0800
Unearned revenue01200
Capital06200
Service revenue02000

Copy as plain text
  1. 1. 4.1 Allocate

    Write cost, residual, useful life and full-month convention with matching units.

    You should see: 2,400/24 months.

  2. 2. 4.2 Allocate

    Compute 100/month and journal expense/accumulated depreciation.

    You should see: One balanced 100 adjustment.

  3. 3. 4.3 Allocate

    Show gross equipment 2,400 less accumulated 100 separately.

    You should see: Net carrying 2,300; cash unchanged.

  4. 4. 4.4 Allocate

    Change residual to 240 and calculate 90/month/net 2,310 after one month.

    You should see: The asset cost remains 2,400.

Now change one thing

New equipment costs 3,600, has residual value 240 and a 24-month straight-line life. Enter monthly depreciation.

Your work

What to finish

A depreciation assumption schedule and gross/contra/net bridge.

Common mistake

Watch for this

Calling depreciation an actual cash outflow or the machine’s current resale price.

How can I tell I understand it?

Verify that your completed depreciation assumption schedule and gross/contra/net bridge meets the three lesson-specific checks and retains the supporting original records.

Try 3 questions

Quick knowledge check

Answer all 3 questions. Get at least 2 right and the lesson completes automatically.

Not yet passed

You’ll get an explanation for each answer. Signed in? Your results save to your account.

1Under cost 2,400, residual zero and 24 months, monthly allocation is what?
2Which account is credited for the one-month 100 allocation?
3What does net carrying amount 2,300 establish?
0 of 3 answeredApply the lesson to a short question, then review the explanation.
4
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Pass the check. We’ll save the progress.

Answer all 3 questions above and get at least 2 right. You can review the explanations and try again.

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Sources and further reading

Explore the references behind this lesson.

Open Stax: Common adjusting entries
Source & access notes · checked 2026-10-01

Read accrued revenue/expense, deferral release and depreciation contra-asset entries.

Access: Public primary page body opened and relevant sections read through the web reader on 2026-10-01; no account required for reading.

Reuse: Original Life Starter cases, datasets and questions; no source exercise or worked dataset reproduced. Links support further reading.

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