need steps for question C

Consider a system with 6 processes P0, P1, P2, P3, P4 and P5 and 4 resource types A, B, C and D. The processes have arrived ir an order, i.e. P0 then P1 then P2 and so on till P5. The following snapshot of the system has been given. A) Compute the Need Matrix for the above data B) Is the system in a safe state? Why? If yes, show the safe sequence. C) If the process P5 requests for (3,2,3,3), should the request be granted or not? Why or Why not