hey friend you need 15$ since is not a much amount but it is not a affordable amount for me .
i don't know why are you want 15$ money throuhh paypal but i think i would be better to explain why you want this amount of money . please explain me i can help through my friends.
i also think that how can i trust on you that you will return money i have pay you through paypal of any other system.like wire transfer of bit coin transfer in your wallet . tell me.