-----------------------------------------------------------------------
                           Warehouse and Suppliers

             0    1    2    3     4     5     6    7     8     9     10
-----------------------------------------------------------------------
warehouse    0    7    4    21    10    15    7    7     9     10    8 
Supplier1    7    0    11   24    8     14    4    14    5     7     7 
Supplier2    4    11   0    20    12    15    10   3     13    12    10 
Supplier3    21   24   20   0     16    10    19   18    20    17    16 
Supplier4    10   8    12   16    0     6     4    13    4     1     2 
Supplier5    15   14   15   10    6     0     10   14    10    7     7 
Supplier6    7    4    10   19    4     10    0    12    2     3     3 
Supplier7    7    14   3    18    13    14    12   0     14    13    10
Supplier8    9    5    13   20    4     10    2    14    0     2     5
Supplier9    10   7    12   17    1     7     3    13    2     0     3 
Supplier10   8    7    10   16    2     7     3    10    5     3     0 
-----------------------------------------------------------------------

-----------------------------------------
item      Demand rate   Holding cost rate
          (unit/year)    ($/unit/year)
-----------------------------------------
1              186           4
2              227           11
3              217           6
4              123           2
5              117           4
6              282           14
7              228           4
8              187           9
9              105           2
10             139           7
-----------------------------------------

--------------------
             item 
--------------------  
Supplier 1  : 2
Supplier 2  : 6
Supplier 3  : 5
Supplier 4  : 7
Supplier 5  : 1
Supplier 6  : 9
Supplier 7  : 4
Supplier 8  : 8
Supplier 9  : 3
Supplier 10 : 10
--------------------