Task: Question Answering
Input (English): Context: It ended up costing me $ 30 to pick up three boxes which were already paid for in the u.s . ezra was amazed and i was somewhat angry . that they charged and that much . he said that if i have anymore sent to not send them through the postal service but to send them through DHL . 
Question: What might the excess charge have been for ?
Output (English): Customs duties.