Oman Steel Company is currently having five jobs to be completed in details of which is given in Table Q 4 ( b). Using the following priority rules determine the order in which the jobs given in Table Q 4 (b ) should be processed using the following:. (i) Critical ratio (ii) Least amount of Slack per operation 2 (iii) Johnson,s rule

Table Q4(b)
Jobs (in the order they arrived)		Days until due date			Remaining processing time (days)
					Cutting		Drilling
R		4			1		2
S		9			3		2
T		5			3		4
U		7			5		3
V		6			3		1