6. Consider the following snapshot of a system: Allocation Max A 0 1 2 0 0 PO P1 P2 P3 P4 A 0 1 1 0 0 B 0 0 3 6 0 C 1 0 5 3 1 D 2 0 4 2 B 0 7 36 C 1 5555 D NO 2 0 6 2 Available 6 AL 1 B 4 Answer the following questions using the banker's algorithm: (a) What is the content of the matrix Need? (2 points) 5 C 2 D 0 (b) Is the system in a safe state? Please list the corresponding access sequence. (5 points) (c) If a request from process P1 arrives for (0, 4, 2, 0), can the request be granted immediately? If it can, please list the corresponding access sequence. (5 points)