Question: Tri-Counts 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 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 pet unit on thousands of dollars are as follows: