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Profit and loss: the guide

Reading a full income statement, finding the line that moved profit most, and explaining why it moved.

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What strong candidates can do

  • Read an income statement from revenue down to net income
  • Rank lines by their effect on profit and use margins to see what grew out of line
  • Split the moving line into price, volume, and cost per unit

Common questions

What is a profit and loss case?

Reading a full income statement, finding the line that moved profit most, and explaining why it moved.

How do you approach a profit and loss case?

Compare each line of the income statement across periods, find the line that moved profit most, reconcile the numbers, then explain why that line moved.

What is the most common mistake in a profit and loss case?

Reading every line aloud without saying which one matters, or mixing up gross profit and operating profit.

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A few quick questions turn this guide into a week by week plan, with cases like these at the right level.