a) Consider the following snapshot of a system. [6+3] Available AB C D E 1 | 1 | 121 Allocation ABCDE TO 4 20 21 T1| 211 5102 T2 3 2 2 1 1 T3 1 3 5 1 1 T40 1 313 Max | CDE TO 4 42 2 1 T13 1 5 22 T2 3 4 2 4 1 T3 2 3 5 3 1 T4 3 1 3 2 3 i) Using the banker's algorithm, determine whether or not the state is unsafe. If the state is safe, illustrate the order in which the processes may complete. Otherwise, illustrate why the state is unsafe. You must calculate the Need matrix. ii) If a request from process T1 arrives for (0,4,2,0,2), can the request be granted immediately? Explain with proper calculations