Each day, northern, central, and southern California use 120, 140, and 160 billion gallons of water respectively. The number or gallons each region has available is given below. The cost of shipping 1B gallons of water between the three regions is given below. Each billion of gallons of unmet demands incurres shortage costs (see below). How should California water be distributed to minimize the total cost, i.e., the sum of shipping and shortage cost? Northern Central Southern Sent Available From Northern 140 Central 0 <= 140 Southern 80 Shortage 80 Received %3D %3D Needed Unit cost per To bill. Gall. Northern Central Southern This model will be tested on different sets of input data. $ 5,000.00$ $ 7,000.00 $ $ 10,000.00 $ $ 6,000.00 $ From Northern 7,000.00 $ 10,000.00 5,000.00 $ 6,000.00 $ 5,500.00 $ Central 6,000.00 5,000.00 Southern Shortage 9,000.00 total cost #VALUE! Cost of tradportation Shortage cost #VALUE!

Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter6: Optimization Models With Integer Variables
Section6.5: Set-covering And Location-assignment Models
Problem 29P
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Each day, northern, central, and southern California use 120, 140, and 160 billion gallons of water respectively.
The number or gallons each region has available is given below.
The cost of shipping 1B gallons of water between the three regions is given below.
Each billion of gallons of unmet demands incurres shortage costs (see below).
How should California water be distributed to minimize the total cost, i.e., the sum of shipping and shortage cost?
Northern
Central
Southern
Sent
Available
From
Northern
Ol<=
140
Central
O <=
140
Southern
O <=
80
Shortage
0<=
80
Received
%3D
%3D
%3D
Needed
Unit cost
per
To
bill. Gall.
Northern
Central
Southern
This model will be tested on different sets of input data.
$ 5,000.00 $
$ 7,000.00 $
$ 10,000.00 $
$ 6,000.00 | $
From
Northern
7,000.00 $
10,000.00
Central
5,000.00 $
6,000.00
Southern
6,000.00 $
5,000.00
Shortage
5,500.00 $
9,000.00
total cost
#VALUE!
Cost of tradportation
Shortage cost
#VALUE!
Transcribed Image Text:Each day, northern, central, and southern California use 120, 140, and 160 billion gallons of water respectively. The number or gallons each region has available is given below. The cost of shipping 1B gallons of water between the three regions is given below. Each billion of gallons of unmet demands incurres shortage costs (see below). How should California water be distributed to minimize the total cost, i.e., the sum of shipping and shortage cost? Northern Central Southern Sent Available From Northern Ol<= 140 Central O <= 140 Southern O <= 80 Shortage 0<= 80 Received %3D %3D %3D Needed Unit cost per To bill. Gall. Northern Central Southern This model will be tested on different sets of input data. $ 5,000.00 $ $ 7,000.00 $ $ 10,000.00 $ $ 6,000.00 | $ From Northern 7,000.00 $ 10,000.00 Central 5,000.00 $ 6,000.00 Southern 6,000.00 $ 5,000.00 Shortage 5,500.00 $ 9,000.00 total cost #VALUE! Cost of tradportation Shortage cost #VALUE!
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