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Mathematical Problems in Engineering
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Special Issues
Mathematical Problems in Engineering
/
2012
/
Article
/
Tab 2
/
Research Article
Effective Investment to Reduce Setup Cost in a Mixture Inventory Model Involving Controllable Backorder Rate and Variable Lead Time with a Service Level Constraint
Table 2
The optimal solutions for logarithmic investment case in Example
4.1
.
Setup cost reduction model
Fixed setup cost model
Savings (%)
0.0
61
76
6
1
2264.29
111
6
1
2511.13
9.83
0.5
61
76
6
0.512
2282.84
111
6
0.512
2529.68
9.76
1.0
61
76
6
0.345
2289.23
111
6
0.345
2536.07
9.73
10
61
76
6
0.050
2300.44
111
6
0.050
2547.28
9.69
20
61
76
6
0.026
2301.37
111
6
0.026
2548.20
9.69
40
61
76
6
0.013
2301.85
111
6
0.013
2548.68
9.68
80
61
76
6
0.007
2302.09
111
6
0.007
2548.93
9.68
100
61
76
6
0.005
2302.14
111
6
0.005
2548.98
9.68
61
76
6
0
2302.34
111
6
0
2549.18
9.68
in weeks.