php - How to set two tax class on single product in magento? -

i need set tax rate 2 tax class "virginia".

1. 4.0% state sales tax + 1.0% state sales tax = 5%
2. 1.0% county sales tax = 1%

i set tax rule below image:

it displays in front end like:

how can display both tax , calculate both tax in cart page?

it possible assign 1 product tax class 1 product. can create 3 product tax classes example

1) state sales tax

2) county sales tax

3) state sales tax , county sales tax

and create 2 tax rules

rule1 product tax class: state sales tax, state sales tax , county sales tax tax rate: state sales tax

rule2 product tax class: county sales tax, state sales tax , county sales tax tax rate: county sales tax

then can able manage tax rates products combinations assigning correct product tax class. products class state sales tax , county sales tax displayed both tax rates in cart, checkout etc.