Paypal at it again...

I can't believe it .. I sent a refund on the postage to the customer as the online calculator price abnd the PO price were out so I refund the customer $14.00...Then... PP take .36c out for fees...?! What !!! They take money out for the initial postage price then take more out if you refund..??? That's rediculous.. Ok.. Now vented .. Thanks for reading