Case 2. Enterprise N1 produces chocolate

Find the best place of enterprises N1 manufacture location to serve given customers (A-T, see the table) with minimal delivery costs using:

Gravitational centre method;

Experimental point method.

Draw a scheme of objects location.

customer

Demand ,t

Objects x

Objects Y

A

30+k

13

48

B

20

15

23

C

20

22

-12

D

33

-19

39

E

22

45

78

F

44

33

-10

G

55

21

23

H

9

-15

56

I

49

78

40

J

10

23

-37

K

23

71-k

12

L

15

55-k

19

M

20

-37

45

N

11

49

21

O

19

18

19

P

80

-16

30

R

70

30

-28

S

60

23

42

T

50

70-k

73-k