Location Problem with Two Sites. Oliveira Office Supply has a large retail system consisting of twelve stores spread around the country, often in direct competition with Kilroy. However, managers at Oliveira have decided to use two national distribution centers. When Oliveira's stores are mapped on the same grid as Kilroy's, the store locations occur at the coordinates listed in the following table. As in the previous exercise, there are also data to indicate how many trips are made annually to each store: Coordinates    Trips Site (k)    xk    yk    nk  1      2    96    21  2      5    41    12  3     20    10    20  4     44    48    15  5     60    58    27  6    100     4     8  7    122    94    21  8    138    80    16  9    150    40    10 10    170    18    18 11    182     2    25 12    190    56    14 A)Find the optimal location for Oliveira's two distribution centers in this expanded version of the problem. b) What is the optimal value of the objective function?

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Location Problem with Two Sites. Oliveira Office Supply has a large retail system consisting of twelve stores spread around the country, often in direct competition with Kilroy. However, managers at Oliveira have decided to use two national distribution centers. When Oliveira's stores are mapped on the same grid as Kilroy's, the store locations occur at the coordinates listed in the following table. As in the previous exercise, there are also data to indicate how many trips are made annually to each store:
Coordinates    Trips
Site (k)    xk    yk    nk
 1      2    96    21
 2      5    41    12
 3     20    10    20
 4     44    48    15
 5     60    58    27
 6    100     4     8
 7    122    94    21
 8    138    80    16
 9    150    40    10
10    170    18    18
11    182     2    25
12    190    56    14
A)Find the optimal location for Oliveira's two distribution centers in this expanded version of the problem.
b) What is the optimal value of the objective function?

 

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