Problem 16-17Given the following information on job times and due dates. JobJob Time(Hours)Due Date(Hours)a3.5 7 b2.0 6 c4.5 18 d5.0 22 e2.5 4 f6.0 20 a-1.Determine the optimal processing sequence using (1) First come, first served, (2) Shortest processing time, (3) Earliest due date, and (4) Critical ratio. Sequence for First come, first served Sequence for Shortest processing time Sequence for Earliest due date Sequence for Critical ratio a-2.For each method, find the average job flow time and the average job tardiness. (Round your answers to 2 decimal places.) First Come, First ServedShortest Processing Time Earliest Due Date Critical Ratio Average flow time[removed] [removed] [removed] [removed] Average job tardiness[removed] [removed] [removed] [removed]