This is what I got at AVIS using USA at the rate code:
(This is for a Chevy Venture or sim)
Your rate for a 14 day rental is: 495.00 - USD
Additional Fees and Taxes:
Mileage:
Free Unlimited Miles/Kilometers
This rate does not include taxes or additional surcharges which may apply at this location.
Mandatory surcharges may apply. For more information, click here and select "Surcharges & Taxes" from the pull-down menu.
Surcharge: $2.05/day (Florida Surcharge & Waste Tire/Battery Fee) + $0.35/day (Vehicle License Fee) + 9.8% (Concession Recovery Fee)
Tax: 6.000 %
Approximate Total: 611.74 - USD
PS..I got a minivan thru Dollar for $209 a wk using FVG code