Hello I would like to know how to configure QB to perform Quebec rapid tax calculation method described here :

HI there, 

Your taxes are an essential part to your business and it's vital you're able to calculate them correctly using the program. QuickBooks is an advanced program which simplifies the way you manage your taxes while saving you tonnes of time. I'd be glad to steer you in the right direction with this. 

There's a great article from our site which shows you how prepare and file Canadian business tax and I encourage you to check it out here: Tax brackets: How to prepare and file your Canadian small business taxes. I recommend going through this article for more info and if you need further assistance, I recommend contacting our support team using this link here.  Let me know if you have questions by leaving a comment below. I'll be on standby.