Economic Order Quantity Model with Weibull Distributed Deterioration under a Mixed Cash and Prepayment Scheme

Table 4

Sensitivity examination of several factors on the best solution.

Parameter	Original value	% of change in the original values	% of change in
								Total profit
	500	−20	−2.59	−3.38	−2.61	−7.92	−0.11	3.24
		−10	−1.25	−1.65	−1.26	−3.94	−0.05	1.6
		10	1.16	1.58	1.17	3.91	0.05	−1.58
		20	2.25	3.09	2.27	7.79	0.1	−3.13
	250	−20	4.17	11.27	−40.14	−12.9	−13.55	−72.95
		−10	1.14	3.52	−21.06	−8.04	−6.84	−41.56
		10	0.06	−1.35	23.13	10.25	6.9	52.01
		20	0.13	−2.41	46.3	18.63	13.8	114.87
	1.9	−20	2.88	0.52	27.61	5.18	17.37	91.92
		−10	1.17	−0.07	13.01	2.55	7.71	39.18
		10	−0.32	1.23	−11.06	−1.06	−6.28	−29.55
		20	0.46	4.16	−19.87	0.9	−11.45	−52.06
	50	−20	3.93	1.56	24.63	2.62	−5.93	45.16
		−10	2.29	1.20	13.02	3.62	−2.95	21.52
		10	−1.18	0.35	−10.27	−0.02	2.99	−19.47
		20	−2.11	1.18	−20.04	−0.45	5.98	−36.95
	2	−20	0.69	0.34	1.01	−1.75	−0.09	0.77
		−10	0.35	0.17	0.51	−0.87	−0.04	0.38
		10	−0.35	−0.17	−0.51	0.87	0.04	−0.38
		20	−0.7	−0.35	−1.01	1.73	0.09	−0.76
	0.1	−20	6.56	5.46	7.62	−0.89	−0.06	2.05
		−10	2.64	1.97	2.54	−2.38	−0.05	0.98
		10	−2.36	−1.75	−2.28	2.23	0.04	−0.92
		20	−4.5	−3.31	−4.34	4.34	0.08	−1.78
	2	−20	4.07	3.77	4.22	0.81	0.24	−0.54
		−10	1.81	1.68	1.88	0.4	0.11	−0.26
		10	−1.47	−1.38	−1.54	−0.39	−0.09	0.24
		20	−2.69	−2.53	−2.81	−0.77	−0.18	0.46
	0.4	−20	0.07	−0.25	1.59	−0.85	−0.57	3.92
		−10	0.04	−0.13	0.80	−0.43	−0.29	1.95
		10	−0.03	0.13	−0.79	0.43	0.29	−1.94
		20	−0.06	0.27	−1.58	0.85	0.57	−3.86
	1.5	−20	−0.39	1.93	−0.38	19.18	−0.02	0.5
		−10	−0.18	0.88	−0.17	8.74	−0.01	0.23
		10	0.15	−0.76	0.15	−7.44	0.01	−0.2
		20	0.28	−1.41	0.27	−13.84	0.02	−0.37
	12	−20	−0.06	0.32	−0.04	2.79	−0.01	0.08
		−10	−0.03	0.16	−0.02	1.38	−0.01	0.04
		10	0.03	−0.15	0.02	−1.34	0.01	−0.04
		20	0.06	−0.31	0.04	−2.65	0.01	−0.07
	14	−20	−0.11	0.58	−0.07	5	−0.02	0.14
		−10	−0.06	0.28	−0.04	2.44	−0.01	0.07
		10	0.05	−0.27	0.03	−2.32	0.01	−0.06
		20	0.1	−0.52	0.07	−4.54	0.02	−0.13
	10	−20	0.07	−0.25	1.59	−0.85	−0.57	3.92
		−10	0.04	−0.13	0.8	−0.43	−0.29	1.95
		10	−0.03	0.13	−0.79	0.43	0.29	−1.94
		20	−0.06	0.27	−1.58	0.85	0.57	−3.86
	0.05	−20	0.07	−0.25	1.59	−0.85	−0.57	3.92
		−10	0.04	−0.13	0.80	−0.43	−0.29	1.95
		10	−0.03	0.13	−0.79	0.43	0.29	−1.94
		20	−0.06	0.27	−1.58	0.85	0.57	−3.86
	20	−20	0.00	0.02	−0.09	0.05	0.03	−0.23
		−10	0.00	0.01	−0.04	0.02	0.02	−0.10
		10	0.00	−0.01	0.03	−0.02	−0.01	0.08
		20	0.00	−0.01	0.06	−0.03	−0.02	0.15
	0.1	−20	−1.16	−1.53	−7.35	−9.70	−0.05	−4.85
		−10	−0.53	−0.70	−3.74	−4.88	−0.02	−2.56
		10	0.44	0.59	3.89	4.93	0.02	2.83
		20	1.59	2.17	10.05	14.18	0.07	5.94
	50	−20	−0.48	−0.65	1.76	0.66	−0.02	2.9
		−10	−0.14	−0.18	1.05	0.74	−0.01	1.37
		10	−0.07	−0.1	−1.4	−1.57	−0.003	−1.23
		20	0.76	1.03	−0.57	1.18	0.03	−2.34