How Page Rank affects your Google Adsense earnings

This is something that I didn't know. Your Google Page Rank has a direct affect on what Adsense ads are displayed on your site or blog. The higher the Page Rank the more money you get paid per click. This information was found on the Google Adsense help page so it is not a deep dark secret. Apparently Google puts the higher paying ads on the higher ranking pages. If you are writing about medical or a health issue and you have a page rank of 3 then when someone clicks on a Google ad in your that is about health then you might get paid .25 cents. Now if you site was a page rank of 5 then you might get paid .60 for someone clicking on that same ad. Page Rank does make a difference.