Try to find right tax and rules from product

[TAIWAR]

 VM 2.022a
Hello
I need help please I cant find the right tax and rules to display on my product..
In fact i have create a tax rules 1) +% 30 modifier price dépend on group shopper then a tax rules 2)+ 35€ dépend on shopper and catégory product ; the problem is that the résult is wrong
Exemple I bought a product A = 100€
I sell it tax rule1) = 130€
And this product belongs too tax 2) and normaly must be  130+35= 165€

But The product display  175,5€
I dont want to use the taxe pr product because I want to include it on the price.

Please Any idea ?? Thx