Consider the following state of a system consisting of four processes and three resources R1 R2 R3 0 1 1 Available Vector 19 P1 P2 P3 5 3 P4 8 15 R1 R2 4 3 24 R3 R1 R2 22 P1 3 2 22 R3 56 6 6 4 4 P4 222 P2 8 3 4 P3 4 3 3 2 2 4 Claim Matrix Allocation Matrix (a) Show the total of resources in the system. (b) Draw the content of the Need matrix. (c) Is this system currently in safe or unsafe state? (d) (e) [2 marks] [4 marks] [1 mark] If it is in safe state, give the order of process to finish and if it is in unsafe state, state which process may become deadlock. [4 marks] P1 makes the request for one additional unit R2. Can this request be safely granted immediately? Explain your answer. [2 marks]