Effective Investment to Reduce Setup Cost in a Mixture Inventory Model Involving Controllable Backorder Rate and Variable Lead Time with a Service Level Constraint

Table 4

Effects of change in the parameters for logarithmic investment case in Example 4.1.

Parameters	% of change	% of change in			𝐿𝑠
		𝐴𝑠	𝑄𝑠	EAC^𝐿(⋅)
ℎ	+50	−13.11	−18.42	+22.89	4
	+40	−8.20	−18.42	+18.95	4
	+25	−18.03	0	+13.00	6
	−25	+31.15	+9.21	−12.22	6
	−40	+52.46	+27.63	−20.45	8
	−50	+83.61	+52.63	−26.65	8
𝐷	+50	−31.15	0	+11.13	6
	+40	−26.23	0	+9.21	6
	+25	−18.03	0	+6.08	6
	−25	+31.15	0	−7.70	6
	−40	+62.30	0	−13.60	6
	−50	+114.75	−10.53	−18.86	4
𝛿	+50	−50.82	0	−8.64	6
	+40	−45.90	0	−7.21	6
	+25	−32.79	0	−4.82	6
	−25	+72.13	+6.58	+6.70	6
	−40	+163.93	+31.58	+10.28	6
	−50	+227.87	+46.05	+10.81	6

𝜉=0.5; 𝐿_𝑠 in weeks.