Have a look in Payments
If you promoted the item, those fees would not be refundable but without access to your account, it's impossible to say why you have been charged.
I assume when you cancelled and refunded, you gave the reason 'buyer asked to cancel'.
"There are two ways to be fooled. One is to believe what isn't true; the other is to refuse to believe what is true.”
Søren Kierkegaard, Danish philosopher (1813 - 1855)
