9. Ann Company has designed an electronic data processing system utilizing the database systems concept. In this system, transactions are entered into the system only once. In order to accomplish this Ann's files: (1 Point) Must be updated in a real time environment Must be located in an integrated file located in online storage Must utilize magnetic tape Must be handled in some other manner than described above Must be separated by function (e.g., marketing has a set of files, production has a set, etc.)