13. The following access control matrix lists three users and the access allowed for four files. For each entry in the matrix, not including the first column listing the file numbers or the top header, which are shown here for clarity, show the resulting code for each file access in zeros and ones. File_1 File_12 File_13 File_14 User_10 User_17 WORLD R-E- --E- R--- R--- RWED ---- RWED RWE- ---- RWED --E- R---