An Inventory Model with Price and Quality Dependent Demand Where Some Items Produced Are Defective

Table 5

Results of sensitivity analysis.

Parameter/ decision variable	% change	ANR	% change in ANR
Example 1
𝑚	−12%	178.64	−38.3
	−8%	211.65	−26.9
	−4%	248.52	−14.2
	+4%	335.03	15.7
	+8%	385.31	33.1
	+12%	440.82	52.2
𝑛	−12%	388.38	34.1
	−8%	350.62	21.1
	−4%	317.96	9.8
	+4%	264.67	−8.6
	+8%	242.75	−16.2
	+12%	223.42	−22.8
𝑘	−12%	227.02	−21.6
	−8%	261.37	−9.7
	−4%	282.42	−2.5
	+4%	282.26	−2.5
	+8%	260.14	−10.2
	+12%	223.10	−22.9
𝑡1	−12%	287.88	−0.6
	−8%	288.84	−0.2
	−4%	289.38	−0.0
	+4%	289.39	−0.1
	+8%	288.94	−0.2
	+12%	288.23	−0.5
Example 2
𝑢	−12%	275.51	−64.8
	−8%	428.91	−45.2
	−4%	597.84	−23.5
	+4%	981.07	25.5
	+8%	1194.93	52.8
	+12%	1423.41	82.0
𝑣	−12%	697.25	−10.8
	−8%	725.16	−7.3
	−4%	753.40	−3.6
	+4%	810.89	3.7
	+8%	840.14	7.44
	+12%	869.73	11.2
𝑤	−12%	1360.31	74.0
	−8%	1146.04	46.6
	−4%	954.12	22.0
	+4%	627.44	−19.8
	+8%	488.69	−37.5
	+12%	364.16	−53.4
𝑘	−12%	636.63	−18.6
	−8%	717.61	−8.2
	−4%	765.91	−2.1
	+4%	766.40	−2.0
	+8%	719.95	−7.9
	+12%	642.66	−17.8
𝑡1	−12%	773.68	−1.1
	−8%	778.28	−0.5
	−4%	781.10	−0.1
	+4%	781.15	−0.1
	+8%	779.01	−0.4
	+12%	775.41	−0.8