Research Article
Two-Echelon Inventory Optimization for Imperfect Production System under Quality Competition Environment
Table 3
A comparison for the buyer with and without investmentsa.
| Model without investment | Model with investment | | Cost difference | | | | | | ΔTC | |
| 0.15 | 189.06 | 559.96 | 178.62 | 524.36 | 0.093 | 35.60 | 6.35 | 0.20 | 237.14 | 693.11 | 169.81 | 501.79 | 0.081 | 191.31 | 27.60 | 0.25 | 318.91 | 926.47 | 162.86 | 484.26 | 0.072 | 442.20 | 47.73 | 0.30 | 369.23 | 1099.13 | 157.33 | 470.37 | 0.064 | 628.75 | 57.20 | 0.35 | 421.13 | 1301.41 | 146.23 | 448.96 | 0.100 | 852.45 | 65.50 |
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Note: .
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