By Joe Woodard, AccountingWEB QuickBooks columnist
The Profit & Loss by Job report shows all of the income and expenses you have assigned to Jobs on Checks, Bills, Invoices, Journal Entries, etc. However, the totals on the Profit & Loss by Job report may not agree to the totals on the Profit & Loss. There are two primary reasons:
The Primary Issue: If you do not assign all income statement activity to a Customer or Job, QuickBooks does not display the income or expense on the Profit & Loss by Job report. This causes the Profit & Loss by Job to show different totals than the Profit & Loss. It is critical for these two reports to agree.
Note: Some businesses are only interested in tying these two reports through Gross Profit. This section assumes you want all of the balances on these two reports to tie, including operating expenses. You can adjust the steps to omit overhead/expense lines as necessary.
The Strategy behind the Workaround: The Profit & Loss by Job report doesn’t tie to the Profit & Loss unless every post to income and expense refers to a Customer or Job. As a result, you must total the Profit & Loss by some other criteria – one that shows the columns for the Customers/Jobs but also include transactions not posted to a Customer or Job.
Tip: If you use the P&L by Job report in your company, create a Customer name called “Overhead.” Use the “Overhead” Job name for expenses that are not tied to a specific Job like Office Supplies and Administrative Salaries. By doing so it is much easier to identify the transactions with no Job name (entered incorrectly) using the steps in this section.
If you or your client does not use Premier/Enterprise Solutions Contractor Edition or Accountant Edition you cannot perform the steps in this section. Proceed to Option 2 below.
By default the Expenses Not Assigned to Jobs report includes purchase forms only (e.g. Bills, Check, Credit Card Charges, etc.). There are other settings that limit the amount of information you will see on the report as well. You need to modify this report so that it will show you more transactions in your file that are not assigned to jobs. Perform the following steps to modify the report:
Double-click each transaction on the report and assign a Customer or Job name. If the transaction is a discount taken on a bill (recorded on the Pay Bills window) you cannot assign a customer or job name. See Step 5 Option B in the section below for more information.
Note: If Paychecks do not include job information, the payroll expenses not assigned to jobs (e.g., gross wages, payroll taxes, SUTA expense, FUTA expense, etc.) will not show on this report. This is true even if you remove the transaction type filter to include all transaction types. As a result, Net Income on the Profit & Loss by Job may be significantly different from Net Income on the Profit & Loss. You can use Option 2 below to find the transactions you cannot locate using the Expenses Not Assigned to Jobs report.
You may need or prefer to use this option for three reasons:
Perform the following steps to create a Profit & Loss report that shows all Income Statement balances that are not assigned to jobs:

When you apply a discount using the Pay Bills window, QuickBooks does not allow you to assign a Customer:Job name. To assign these discounts to the applicable Jobs you have two options:
Option 1: Use Bill Credits instead of Vendor Discounts to reduce the amount you owe the Vendor. Unlike Vendor Discounts, Bill Credits allow you to assign a Customer:Job name. Also, Bill Credits allow you to post to the both the Account(s) and Item(s) you used on the Bill. In some situations it is best to post the discount from the Vendor to the same Items you used when recording the Bill, if the Bill contains Item records.
Option 2: Create a Journal Entry to adjust the account you use to track Vendor Discounts as shown below. Notice the credit and the debit are to the same Account, but the debit uses the vendor name and the credit uses the Customer:Job name. You would reverse the debits and credits to assign Costs and Expenses to jobs. The credit will then show on the Profit & Loss by Job report. There is not net impact on the Profit & Loss.
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Tip: If there are numerous transactions not assigned to Jobs, you could use the Journal Entry method in the note above to assign balances to various Jobs as of the adjustment date (e.g. 12/31). However, it is best to edit each individual transaction to include a Customer or Job name so the daily and monthly reports will be accurate throughout the year, not just as of the date of your adjustment. As necessary, enlist the client’s help to assign these transactions to Jobs.
Even if you perform all of the steps above and even if the Profit & loss by Job agrees to the Profit & Loss, there still may be a discrepancy between the balances on the Profit & Loss by Job and the Job Profitability report. The Job Profitability report posts some transactions differently from the P&L by Job and in some cases excludes transactions even if they are assigned to a customer/job name.
Consider the following when tying the Job Profitability Summary Report to the Profit & Loss:
Note: Even if the Profit & Loss by Job report agrees to the Job Profitability Report, both reports may still contain incomplete information. Use all of the steps in this article (not just those in this section) to make sure all income statement transactions are properly coded to a customer or job name.
About the author
Joe Woodard is an Advanced Certified QuickBooks ProAdvisor and Intuit Solution Provider who has taught over 20,000 QuickBooks consultants across the country. Joe works with Intuit, state CPA societies, and Atlanta-area CPA firms to present advanced QuickBooks instruction to accounting professionals and software consultants. Joe has earned a unique relationship with Intuit as a trainer, consultant and author. Joe has built two successful accounting software consulting practices: the first in New Orleans, Louisiana and the second in Atlanta, Georgia – Creative Financial Software (CFS). In addition to consulting with small businesses, CFS provides advisory services to CPA firms and other QuickBooks ProAdvisors/Intuit Solution Providers across the country -- helping them to better service their clients who use Intuit products. Joe recently hosted the first annual Scaling New Heights [3] QuickBooks conference in Atlanta.
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Links:
[1] http://www.accountingweb.com/image/profitlossrisk
[2] http://www.accountingweb-cgi.com/editorial/011210/2.jpg
[3] http://www.scalingnewheights.com
[4] http://www.accountingweb.com/category/tags/articles-joe-woodard