Consider an operating system with five processes and .three resources Resource A ==> 3 instances Resource B ==> 5 instances Resource C ==> 7 instances Available Allocation Max Need A B A B A 00 A B 3 3 2 PO 0 1 0 7 5 3 7 4 3 P1 2 2 0 0 3 2 2 1 2. 2 P2 0 2 9 0 2. 6 0 0 NW P3 1 1 2 2 2. 0 1 1 P4 0 0 2 4 3 3 4 3 1 a) Give me a safe sequence. I need all the calculation's .details b) if P1 requests (1,0, 2) will your sequence calculated ?in (a) stay safe? why