IQ Question Today

Jerry buy a book cost $43 from Jeremy's book store and he pay $100 to Jeremy. Jeremy don't have the change and he go to Jason's shop to get a change. After Jeremy get the change, Jeremy return $57 to Jerry. After a while, Jason go to Jeremy's shop and tell Jeremy that the $100 is unreal and ask Jeremy to change back his $100. The question is here, if the original price of the book is $38, then how much is the Jeremy loss?