Problem \#1: Use the SPT rule and calculate the average flow-time and waiting time of the jot given in Table 1A. (Note: Flow-time is the same as completion time.) (1) What is the total processing time of the jobs? (a) 48 (b) 44 (c) 42 (d) 51 (2) What is the average flow-time of the jobs? (a) 16.3 (b) 23.6 (c) 27.8 (d) 17.4 (3) What is the average waiting time of the jobs? (a) 11.9 (b)16.2(c)13.4 (d) 8.8 (4) At what hour was job A finished? (a)24(b)20(c)17(d)18 (5) At what hour was job C started? (a)32(b)51(c)20(d)19 (6) What was the waiting time for job E? (a)19(b)20(c)12(d)4 (7) What was the waiting time for job A? (a) 11 (b) 7 (c) 4 (d) 19