sales tax not showing up on checkout or when it does, it isn't right

[LorRonCo]

My Virtuemart (version 2.0.18a) settings must not be correct, but I don't know how to fix it.  It doesn't show the tax or show it in the totals anywhere.  Here are the setting I am using.

The Tax & Calc Rule Details are set as:
Type of Arithmetic Operation: Tax per product
Math Operation: +%


Configuration > Pricing:
Show Tax in Cart
Show Prices
Baseprice
Tax Amount
Final Salesprice

When I used the VAT tax arithmetic operation, it just added the 0.9% tax instead of multiplying it against the price of the merchandise. 

I've looked through the FAQ's and on the net for further info, but now I need to ask this of the experts.  For those of you whose carts work properly for a U.S. seller, please share any suggestions you might have.  Thank you.