We can run the Sales Tax Liability Report to show the nontaxable amount and total sales in QuickBooks Online (QBO), @JarsInc. Allow me to outline the steps for you.

The Sales Tax Liability Report summarizes your taxable and non-taxable sales, plus the total sales tax you collected from customers. Also, you can click the amount of each total in the report to view the included transactions. I'll show you how.
 

1. Go to the Reports menu.
2. In the Find report by name field, locate and open the Sales Tax Liability Report.
3. Click Customize.
4. From the General dropdown, choose a Report period and Tax agency.
5. From the Rows/Columns dropdown, click the Change Columns link.
6. Put a checkmark on the Tax name, Gross Total, Non-Taxable, Taxable Amount, and Tax Amount columns.
   
7. You can also customize it further to add the details you need. Then hit Run report to save changes.
   

    

Also, you can check out this article for more details about managing the Sales Tax Liability report in QBO: Check how much sales tax you owe in QuickBooks Online.

Furthermore, check out these articles for tips on saving and exporting your customized reports for future access:
 

• Memorize reports in QuickBooks Online
• Export your reports to Excel from QuickBooks Online
   

Anytime you need clarity on managing your QuickBooks reports, just drop a post here. I'm ready to support you and simplify the process.