An Inventory Model with Finite Replenishment Rate, Trade Credit Policy and Price-Discount Offer

Table 5

Sensitivity analysis for the exponential demand pattern.

Parameters	%	𝑍1	𝑍2	𝑍3
Exponential demand Case 1
𝐶0	−50%	0.37	0.54	0.83
	−25%	0.18	−0.27	0.41
	+25%	−0.18	−0.26	−0.39
	+50%	−0.36	−0.52	−0.77
𝐶𝐻	−50%	—	—	—
	−25%	18.16	13.01	9.39
	+25%	−6.93	−5.23	−3.78
	+50%	−10.30	−7.89	−5.80
𝐶𝑅	−50%	—	—	—
	−25%	—	—	—
	+25%	−46.01	−46.01	−50.15
	+50%	−84.03	−84.03	−95.06
𝑃	−50%	—	—	—
	−25%	−71.44	−76.39	−83.42
	+25%	—	—	—
	+50%	—	—	—
𝐾	−50%	—	—	5.03
	−25%	2.82	1.80	1.16
	+25%	−1.25	−0.86	−0.57
	+50%	−1.97	−1.37	−0.92
Exponential demand Case 2
𝐶0	−50%	2.37	1.23	0.88
	−25%	1.86	0.61	0.44
	+25%	−1.18	−0.61	−0.44
	+50%	−2.37	−1.23	−0.88
𝐶𝐻	−50%	2.36	5.42	9.72
	−25%	1.18	2.71	4.86
	+25%	−1.18	−2.71	−4.86
	+50%	−2.36	−2.36	−9.72
𝐶𝑅	−50%	82.31	98.56	122.63
	−25%	41.15	49.28	61.31
	+25%	−41.15	−49.28	−61.31
	+50%	−82.31	−98.56	—
𝑃	−50%	—	—	—
	−25%	−68.52	−77.61	−91.62
	+25%	68.52	77.61	91.62
	+50%	137.04	155.21	183.23
𝐾	−50%	0.56	1.37	2.62
	−25%	0.18	0.46	0.87
	+25%	−0.11	−0.27	−0.52
	+50%	−0.18	−0.46	−0.87

— indicates the value of the parameter is either imaginary or the value does not exist at that point.