http://www.uscis.gov/files/nativedocuments/FinalRule.pdf
Form I-485. For filing an application for permanent resident status or creation of a record of lawful permanent residence―$930 for an applicant fourteen years of age or older; $600 for an applicant under the age of fourteen years when ted concurrently for adjudication with the Form I-485 of a parent and the applicant is seeking to adjust status as a derivative of the parent, based on a relationship to the same individual who provides the basis for the parent’s adjustment of status, or under the same legal authority as the parent; no fee for an applicant filing as a refugee under section 209(a) of the Act;
provided that no additional fee will be charged for a request for travel document (advance parole) or employment authorization filed by an applicant who has paid the Form I-485 application fee, regardless of whether the Form I-131 or Form I-765 is required to be filed by such applicant to receive these benefits.
Form I-485. For filing an application for permanent resident status or creation of a record of lawful permanent residence―$930 for an applicant fourteen years of age or older; $600 for an applicant under the age of fourteen years when ted concurrently for adjudication with the Form I-485 of a parent and the applicant is seeking to adjust status as a derivative of the parent, based on a relationship to the same individual who provides the basis for the parent’s adjustment of status, or under the same legal authority as the parent; no fee for an applicant filing as a refugee under section 209(a) of the Act;
provided that no additional fee will be charged for a request for travel document (advance parole) or employment authorization filed by an applicant who has paid the Form I-485 application fee, regardless of whether the Form I-131 or Form I-765 is required to be filed by such applicant to receive these benefits.