Logo Design Pricing

Someone you know the price paid by the design of Google logo?

Recently I found a post with a list famous logos of the world and the price paid to its designers. Pepsi, Australia and New Zealand and logos have been twitter in the list, but Google is charging section blank. http://www.logoblog.org/wordpress/cost-of-famous-logos/

I guess free, because at first it was just text multicolored