my 1st paymentfrom adfoc

frienzz adfoc is real site,dont have doubt that it des'nt pay,it pay really,this is my best website on which i am working, but sir,i have 1 question from you that my earning was $28.3864 but you sent $27.0391 to my paypal a/c,why you pay 1.35 $ less than my earning?

by the way i love this site.here is the screenshot.