Lesson

Trace inventory errors across statements and periods

Map a quantity, cost, cutoff, or measurement error through cost of goods sold, income, assets, equity, and the next period without calling counterbalancing harmless.

Updated Sep 10, 2026 Review due Nov 8, 2026
On this page
  1. Run the current-period chain
  2. Carry the opening balance forward
  3. Diagnose before correcting
About this lesson

Lesson details

Estimated study time
95 min
Learning objectives (2)

Cedar Trail includes $5,000 of supplier-owned goods in ending inventory. A reviewer says the error will “wash out next year.” The two-year pretax total may wash out; the issued statements do not.

Run the current-period chain

Ending inventory appears with a minus sign in cost of goods sold. A $5,000 ending overstatement therefore causes:

  • cost of goods sold understated $5,000;
  • pretax income overstated $5,000;
  • ending assets overstated $5,000; and
  • retained earnings overstated $5,000 before tax effects.

Reverse every direction for an ending understatement. Then add transaction- specific effects. A cutoff error may also omit a payable, duplicate revenue, or misstate cash flow; the inventory-only map is not automatically complete.

Carry the opening balance forward

If next year begins with the $5,000 overstatement and next year's ending inventory is correct, next-year cost of goods sold is overstated and pretax income understated $5,000. The two-period pretax income error totals zero.

Counterbalancing does not address interim or annual materiality, covenants, taxes, bonuses, trend analysis, prior issuance, or comparative presentation. Research the current correction requirements rather than allowing the algebra to make the release decision.

Diagnose before correcting

Classify the root cause: existence, ownership, cutoff, unit, cost, method, measurement, estimate, system mapping, or disclosure. Trace affected accounts and periods, quantify tax and equity effects, identify issued statements, prepare the correction, and assign a control remediation owner. The correcting entry without the cause leaves the next close exposed.

Finish with a four-column error table: reported, should be, signed error, and directional consequence. Add a second-period column only after the first period is complete.

Use the focused Cedar bridge to check the signs. Then complete Northstar practice with an independent understatement and a separate correction analysis.