with the consider the following four processes, time. Assuresponding arrival time and CPU-burst Schedulinging Shortest-Remaining-Time-First Scheduling, answer the following questions: 17) The waiting-time of process P1 is: a. 0 b. 2 c. 3 d. Other 18) The waiting-time of process P2 is: a. 0 b 9 c. 11 d. Other 19) The waiting-time of process P3 is: a. 0 b. 14 c. 18 d. Other 20) The waiting-time of process P4 is: a. 0 b. 3 c. 6 d. Other