v1.3.7: How to fix error display different price between popup and fast order form?

QUESTION:

We're getting a tax issue with the FastOrder module since upgrading to Magento 2.4.3-p1 and the latest version of your module (v 1.3.7). 

The price displayed on the popup is different from the price displayed on the main fast order form.

We would expect the same price to be displayed on the main fast order page as is shown in the popup.

ANSWER: 

For this module error, please edit the files as below to get it resolved: app/code/Bss/FastOrder/Helper/Data.php 

Please download the file attached below to override the current file on your site.

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