Why can government departments charge a certain fee while providing government information according to the applicant’s requirements?

Government department expenses come from State economy. When handing information releases, there will inevitably be expenses. The expenses occur due to the requirements of the applicant, thus, the expenses should not be borne by the taxpayer. That is why government departments can charge the actual cost of the information, and searching, copying and mailing the information. Keeping the charge in mind, applicants can seriously consider this before making an application.