You take a study of tax compliance costs from 1985 that includes individual costs and try to apply to today's corporate compliance costs.
Once again you spin rather that treat facts, since the individual cost have been removed in using the $800billion figure.
Payne's factor of 65cents per dollar taxes collected calculates a much higher value than $800billion in 2000, As the response here showed:
http://www.freerepublic.com/focus/f-news/1160242/posts?page=497#497
You don't suppose computer tax software has changed the "compliance" costs for individuals, do you?
Since I compliance costs for individuals were not included in the $800 billion business compliance costs your red herring is just a rather dead red herring to boot.