Dear XXX: Hello,we sincerely appologise for the inconveniences we have caused you.In order to solve the conflict quickly,we will give you a refound of 30 USD at the most due to our low profit resulted from fierce competition from others in the field.AS there is only 10 USD profit from this order,we cannot refound you 50 USD as you wished,as this would result in our bankcrupcy. Wish you well, XXX 天上~