1. Moving Beyond the Unadjusted Trial Balance
An unadjusted trial balance only shows that your initial double-entry records balance mathematically. It does not account for period-end accounting updates, such as accrued expenses, unearned revenues, depreciation, or prepayments.
2. The Multi-Column Worksheet Layout
Accountants use an extended worksheet to manage adjustments smoothly. This worksheet tracks numbers from their raw starting state to their final adjusted values.
                         Working Worksheet Structure
========================================================================================
Account Name   |  Unadjusted TB   |    Adjustments   |   Adjusted Trial Balance

               |  Dr.   |   Cr.   |   Dr.  |   Cr.   |     Dr.     |     Cr.
----------------------------------------------------------------------------------------
Cash           | 15,000 |         |        |         |   15,000    |
Supplies       |  4,000 |         |        | (1,500) |    2,500    |
Accrued Rent   |        |         |        |  (800)  |             |      800

3. Final Verification Before Financial Statement Drafting
The Adjusted Trial Balance is the final check before building financial reports. Once all adjusting entries are posted and verified, this document provides the clean, accurate data used to create the Income Statement and the Balance Sheet in later modules.