Refund cost me 30p?

[suz1970d]

I had sold my listing and refunded the purchaser - as this was my first listing my payment was on hold - when refunded it cost me 30p which I don't understand 

[ruby*tuesday · Accepted solution]

Your Fees as a Private Seller are 12.8% + 30p. The 30p is not refundable.

[suz1970d · Accepted solution]

Thank you for your reply 👍