Tri-County Utilities, Inc., supplies natural gas to customers in a three-county area. The company purchases natural gas from two companies: Southern Gas and Northwest Gas. Demand forecasts for the coming winter season are as follows: Hamilton County, 400 units; Butler County, 200 units; and Clermont County, 300 units. Contracts to provide the following quantities have been written: Southern Gas, 500 units; and Northwest Gas, 400 units. Distribution costs for the counties vary, depending upon the location of the suppliers. The distribution costs per unit (in thousands of dollars) are as follows: To From Hamilton Butler Clermont Southern Gas 10 20 15 Northwest Gas 12 15 18 a. Develop a network representation of this problem.
Tri-County Utilities, Inc., supplies natural gas to customers in a three-county area.
The company purchases natural gas from two companies: Southern Gas and Northwest
Gas. Demand
400 units; Butler County, 200 units; and Clermont County, 300 units. Contracts to provide
the following quantities have been written: Southern Gas, 500 units; and Northwest Gas,
400 units. Distribution costs for the counties vary, depending upon the location of the
suppliers. The distribution costs per unit (in thousands of dollars) are as follows:
To
From Hamilton Butler Clermont
Southern Gas 10 20 15
Northwest Gas 12 15 18
a. Develop a network representation of this problem.
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