Q4. Access Control (15 points, 5 points each) Consider the following access privileges. Assume the owner of a file has all of read, write, and execute privileges. i) ii) iii) iv) v) Alice is the owner of GoldenGate.jpg and TripPlanner.exe Bob is the owner of DFW.jpg, AllenOutlet.doc, and Reviewsite.exe Charlie is the owner of "Like Yelp.exe" Charlie has read access right to all the image files (i.e., jpg). Bob can read and execute any executable files (i.e., exe). Answer the following questions. 1. Construct an access control matrix (sparse matrix). 2. Construct a capability list. 3. Construct an access control list