Consider the following scenario. R1 R2 R3 P1 3 3 3 P2 2 1 R1 P1 2 P2 1 R2 R3 1 1 1 1 NN R1 R2 R3 1 1 0 P3 1 1 P3 1 1 0 P1 Available vector Claim matrix Allocation matrix Using banker's algorithm what is safe sequence. (A) P2, P3, P1 (B) P1, P2, P3 (C) P3, P2, P1 (D) None of the above