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Mathematical Problems in Engineering
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Mathematical Problems in Engineering
/
2012
/
Article
/
Tab 3
/
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 3
The optimal solutions for power investment case in Example
4.2
.
Setup cost reduction model
Fixed setup cost model
Savings (%)
0.0
71
76
6
1
2244.56
111
6
1
2511.13
10.62
0.5
71
76
6
0.512
2263.12
111
6
0.512
2529.68
10.54
1.0
71
76
6
0.345
2269.51
111
6
0.345
2536.07
10.51
10
71
76
6
0.050
2280.72
111
6
0.050
2547.28
10.46
20
71
76
6
0.026
2281.64
111
6
0.026
2548.20
10.46
40
71
76
6
0.013
2282.12
111
6
0.013
2548.68
10.46
80
71
76
6
0.007
2282.37
111
6
0.007
2548.93
10.46
100
71
76
6
0.005
2282.42
111
6
0.005
2548.98
10.46
71
76
6
0
2282.62
111
6
0
2549.18
10.46
in weeks.