lol, ok, you're confusing me now..

For each product, I have 2 attributes.

1 is a flat dollar amount - $350 for example

The second attribute uses price_factor - 0.2 and 0.4

So if the price of the product is $1,000, there would be two options in the attribute drop down selection on the detail page, one for $200 and one for $400, along with the $350 flat charge

If you click on the link and look at my product detail page, you'll see the attributes at the bottom, one labeled "Warranty Options" is the one you want to look at

The dollar amounts in that drop down are not 0.2 and 0.4 of the special price

But if you add the item to your cart, and select one of those options, it calculates exactly 0.2 or 0.4

http://tinyurl.com/yky4u89