Hi Jane
The sales amount on line 101 is all sales regardless of tax code for the reporting period. If your P&L isn't matching, there are a couple things that could be happening:
1. The date/period chosen when running your P&L doesn't match to the report; by default, the P&L report will run current Fiscal Year-To-Date (as of today). Be sure to set your start and ending dates to the same dates as the tax report.
2. Some items may be misqualified as revenue depending upon the tax code you choose for certain entries. For example, if you perform a journal entry and selected the (Tax Sales) instead of (Tax Purchases) code from the drop down.
Hope this helps!
Leith