Imperfect Reworking Process Consideration in Integrated Inventory Model under Permissible Delay in Payments

Table 4

Comparison results with Ouyang et al. (2005).

λ	Profit ($/yr)
	Joint			Vendor			Buyer
	This paper	Ouyang et al.	Improved (%)	This paper	Ouyang et al.	Improved (%)	This paper	Ouyang et al.	Improved (%)
1.01	22557.6932	25140.0000	−10.27	6986.0330	12758.0000	−45.24	15571.6602	12382.0000	25.76
1.10	22427.8800	24988.0000	−10.25	6794.9584	12489.0000	−45.59	15632.9216	12499.0000	25.07
1.50	22267.2031	24799.0000	−10.21	6558.9020	12157.0000	−46.05	15708.3011	12642.0000	24.25
2.00	22198.7212	24719.0000	−10.20	6459.0245	12017.0000	−46.25	15739.6967	12702.0000	23.92
3.00	22144.4682	24655.0000	−10.18	6380.2218	11906.0000	−46.41	15764.2464	12749.0000	23.65

m = 30 days.