Assume the followings: Privileges: read (R), write (W), execute (X) Resources: Image files: tamuc.jpg, jkim.png, csci351.gif Document files: syllabus.doc, lecture.ppt Binary files: a.exe, b.exe, c.exe Access permissions: A has privilege to read all the image files. B has privilege to read and write all the document files. A and C have privilege to read syllabus.doc. A and B have privilege to read and execute a.exe, b.exe. B and C have privilege to read tamuc.jpg. a. Construct an access control matrix.