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Table 3 Sensitivity analysis for various parameters

From: A Three-Layer Supply Chain EPQ Model for Price- and Stock-Dependent Stochastic Demand with Imperfect Item Under Rework

Paramter % c h a n g e \(T_{R}^{\ast }(year)\) \(t_{s}^{\ast }(year)\) \( t_{m}^{\ast }=T_{s}^{\ast }(year)\) T (y e a r) T C % c h a n g e o f T C
  −20 0.806 4.032 4.838 8.06 3170.33 −70.37
P s −10 0.513 2.282 3.081 5.135 8583.53 −19.78
  10 0.255 0.926 1.528 2.54 11641.7 8.79
  20 0.192 0.6397 1.151 1.919 12104.5 13.12
  −20 0.118 0.378 0.709 1.181 12505.6 16.87
P m −10 0.21 0.755 1.258 2.097 12020.8 13.34
  10 0.564 2.483 3.386 5.643 7470.6 −30.18
  20 0.859 4.123 5.154 8.589 435.84 −95.93
  − 20 0.712 2.85 4.275 7.125 2904.13 −72.86
P 1 −10 0.486 1.944 2.916 4.86 8529.98 −20.28
  10 0.263 1.052 1.578 2.63 11684.7 9.2
  20 0.199 0.799 1.199 1.998 12173.6 13.77
  −20 0.255 1.018 1.527 2.545 12030.2 12.43
a −10 0.307 1.229 1.844 3.073 11443.9 6.95
  10 0.3898 1.559 2.339 3.898 9822.67 −8.2
  20 0.423 1.690 2.535 4.225 8830.38 −17.48
  −20 0.226 0.902 1.353 2.255 12077.3 12.87
b −10 0.286 1.142 1.713 2.855 11534.7 7.79
  10 0.425 1.699 2.549 4.248 9478.1 −11.42
  20 0.505 2.021 3.032 5.053 7750.16 −27.57
  −20 0.272 1.086 1.629 2.715 11608.4 8.48
θ −10 0.313 1.251 1.877 3.128 11179.1 4.47
  10 0.389 1.556 2.334 3.89 10180 −4.86
  20 0.424 1.697 2.546 4.243 9623.54 −10.06
  −20 0.226 0.904 1.356 2.26 11862.2 10.86
λ −10 0.285 1.138 1.707 2.845 11370 6.26
  10 0.429 1.717 2.576 4.293 9811.75 −8.31
  20 0.517 2.067 3.101 5.168 8664.94 −19.02