The Life Starter
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Course Library · Lesson 2 of 6
Money · Guided lesson

Explain where profit changed

About 30 minutes · 8 reading + 22 practice and checks
Time includes reading, practice, and questions. Extra videos or further study are optional.
See this course’s project requirements

A checked financial brief with statement scope, margins, cash reconciliation, liquidity ratios, note questions and a spending recommendation.

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

What to include

  • A dated statement map with checked balance-sheet totals.
  • A two-year gross and operating margin comparison. A profit-to-cash bridge that reconciles to closing cash.
  • A liquidity note with working capital and two coverage ratios.
  • A note-review log with quantified risks and follow-up questions.
  • A one-page financial brief supporting a conditional spending decision.

Review and revise

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

  • Calculations reconcile to the supplied records, with units and dates labeled.
  • Assumptions and missing information are visible, including the changed scenario.
  • The recommendation follows the evidence and explains an important limitation.
  • The six lesson outputs form a usable handoff that another learner can check.
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Before you begin

The idea in everyday life

Reset to Cedar Print’s full-year income table. Gross profit means revenue less cost of goods. For this exercise operating profit also subtracts other operating costs and depreciation.

The idea

Revenue growth can coexist with a shrinking share left after costs. Show the arithmetic before interpreting the story.

Follow along

Explain where profit changed — worked practice

Revenue growth can coexist with a shrinking share left after costs. Show the arithmetic before interpreting the story.

Reset to Cedar Print’s full-year income table. Gross profit means revenue less cost of goods. For this exercise operating profit also subtracts other operating costs and depreciation.

Cedar Print: full-year income, dollars

Paste at A1.

AItemBYear 1CYear 2
Revenue4000050000
Cost of goods2400032000
Other operating costs1000012000
Depreciation20002500
Interest10001000
Tax600500

Copy as plain text
  1. 1. Calculate gross profit

    Subtract cost of goods from revenue in each year.

    You should see: Gross profit rises from $16,000 to $18,000.

    Dollar profit and percentage margin are different.

  2. 2. Find gross margin

    Divide each gross profit by its matching revenue.

    You should see: Gross margin falls from 40% to 36%.

    The denominator is sales, not costs.

  3. 3. Find operating profit

    Subtract other operating costs and depreciation from gross profit.

    You should see: Operating profit falls from $4,000 to $3,500.

    Include noncash depreciation in this profit measure.

  4. 4. Write the comparison

    Calculate operating margin and explain the change in one sentence.

    You should see: Operating margin falls from 10% to 7% while revenue grows 25%.

    Revenue growth alone can conceal cost pressure.

Now change one thing

A separate printer has revenue 30000, cost of goods 18000, other operating costs 7500 and depreciation 1500. Enter operating profit dollars.

Your work

What to finish

A two-year gross and operating margin comparison.

Common mistake

Watch for this

Calling an increase in gross-profit dollars an increase in gross margin.

How can I tell I understand it?

Explain your calculation or classification and reproduce the changed case without copying the worked result.

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.

1Sales are 12000 and cost of goods is 9000. What is gross margin?
2Revenue rises from 10000 to 12000 while operating profit stays 1000. What happens to operating margin?
3Gross profit is 7000, other operating costs 4000 and depreciation 500. What is operating profit?
0 of 3 answeredApply the lesson to a short question, then review the explanation.
2
Finish this lesson

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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Optional course overview video · same video as Lesson 1
EdspiraHow the Income Statement and Balance Sheet are Connected | ExampleYouTube
Optional course overview

How the Income Statement and Balance Sheet are Connected | Example

From Edspira. Watch here or open it on YouTube .

Optional course overview. Follow the written steps below at your own pace.
Tools, templates, and lesson sources

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Sources and further reading

Explore the references behind this lesson.

Beginners’ Guide to Financial Statement
Source & access notes · checked 2026-09-12

Inspected statement definitions, operating cash flow, notes, margins and working capital.

Access: Public page inspected without a sign-in; linked services may have separate requirements.

Reuse: Link to the original. Free reading does not imply permission to reproduce the page; lessons and fixtures here are original.

How to Determine the Financial Health of Your Company
Source & access notes · checked 2026-09-12

Inspected linked statements and ratio interpretation.

Access: Public article inspected; no enrollment required.

Reuse: Link to the original. Free reading does not imply permission to reproduce the page; lessons and fixtures here are original.

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