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Table 4 The return contract policies with \(w = 20\)

From: The coordinating contracts of supply chain in a fuzzy decision environment

\(\tilde{p}\)

\(q^{*}\)

\(b^{*}\)

\(E\left[ {\tilde{\varPi }_{R} } \right]^{**}\)

\(E\left[ {\tilde{\varPi }_{M} } \right]^{**}\)

\(E\left[ {\tilde{\varPi }_{SC} } \right]^{*}\)

(20, 25, 30)

186.10

15.18

442.45

717.91

1160.36

(21, 25, 29)

183.79

15.52

435.49

711.93

1147.43

(22, 25, 28)

181.51

15.86

429.03

706.02

1135.05

(23, 25, 27)

179.25

16.22

423.03

700.20

1123.23

(24, 25, 26)

177.03

16.60

417.45

694.49

1111.94

(25, 25, 25)

174.86

16.98

412.28

688.89

1101.17

(30, 35, 40)

221.44

11.63

2126.70

811.07

2937.77

(31, 35, 39)

220.00

11.73

2108.80

807.20

2916.00

(32, 35, 38)

218.54

11.84

2091.30

803.28

2894.58

(33, 35, 37)

217.05

11.96

2074.20

799.31

2873.51

(34, 35, 36)

215.55

12.08

2057.50

795.30

2852.80

(35, 35, 35)

214.03

12.20

2041.20

791.26

2832.46