翻譯有關幫小孩辦移民公證的資料

Dear Sirs, I am an American Citizen live in Taiwan now and recently have adopted one child who is now 12 years old in junior high school. I am planning to prepare for his Green Card and requiring some documentations for translation as well as for notarization. The documentation is including birth certificate, adoption authorizing letter from court, and schooling information. Wondering how to get the quotation, roughly figures or can someone call me for a chat! Thanks so much!