Part a. Inventory cost is a linear function of the time an
item is stored.
Arc Data
and Flows
|
Num.
|
Name
|
Flow
|
1
|
I0
|
15
|
2
|
R1
|
100
|
3
|
O1
|
5
|
4
|
I1
|
60
|
5
|
R2
|
100
|
6
|
O2
|
0
|
7
|
B2
|
0
|
8
|
I2
|
80
|
9
|
R3
|
60
|
10
|
O3
|
0
|
11
|
B3
|
0
|
12
|
I3
|
0
|
Part b. Inventory cost depends on time the item is stored in
a nonlinear fashion.
|