Multiple taxes on shipping - calculation error

[Khaostar]

Hi!

Really weird problem here. I'm setting a Quebec / Canada shop. So I need to add 2 taxes on my products and shipping method. Everything is set in the taxes and calculation rules (see first image).

The taxes are :
+ 5.0000% tax on bill
+ 9.9750% tax on bill

The problem is, in the cart, the rules are not applied as they should on the shipping.

Exemple :
- I have a shipping method that cost 5.00$.
- 5.00 + taxes should be exactly 5.75$  -- (5% of 5.00$ = 0,25$ ; 9.975% of 5.00$ = 0,75$ ; 5.00 + 0,25 + 0,5 = 5,75$)
- In the cart, I got 5,38$

You can see the images for referances.

It seems that instead of applying the 2 taxes one after the other, it does the average of the 2 taxes mixed together : (0,25+0,5)/2 = 0,375 ... so it give me 5,38 instead of 5,75.

Does anyone has an idea of what is happening? that's really weird!

Thanks!

I'm using Joomla 3,5 and Virtuemart 3,0,14

[Jörgen]

Hello

Look at this:
http://forum.virtuemart.net/index.php?topic=119474.msg406449#msg406449

regards

Jörgen @ Kreativ Fotografi

[Khaostar]

Hi!

Thanks! I fugured out that the problem is caused by a shipment plugin that is not configurable for my need. If I use the default shipment plugin from VirtueMart, everything work. I'll contact the plugin author.

Thanks!