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What we want to do is have the option to Multiply Attribute Options Together...
Product Price: $50
Option 1 Value Selected: 18
Option 2 Value Selected: 55
Option 3 Value Selected: .07
Total Product Price: $119.30
We have a custom field named Multiplied Option (multiplied_option) on each product with a value of "Yes" or "No". Yes would trigger the modified code. No would keep the default type code, which simply adds the options to the product price.
We do have a custom option template extension installed that may need to be modified to accomplish this.
We are looking for direct edits to the files, so creating a Magento Extension is not necessary.