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The Nelson Company Has Four Distribution Centers (A, B, C

question 90

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The Nelson Company has four distribution centers (A, B, C, and D) that require shipments of 20, 30, 40, and 10 units per week, respectively. Its three plants (1, 2, and 3) have monthly capacities of 40, 30, and 30, respectively. Shipping costs (in $) follow:
 Distribution Center  Plant  A  B  C  D 140301050220203040310501030\begin{array}{l}\text { Distribution Center }\\\begin{array} { | c | c | c | c | c | } \hline \text { Plant } & \text { A } & \text { B } & \text { C } & \text { D } \\\hline 1 & 40 & 30 & 10 & 50 \\2 & 20 & 20 & 30 & 40 \\3 & 10 & 50 & 10 & 30 \\\hline\end{array}\end{array}
What can be said about a plan that ships 40 units from 1 to C, 30 units from 2 to B, 20 units from to A, and 10 units from 3 to D?


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U.S. federal legislation aimed at reducing pollution and improving water quality in lakes, rivers, and streams.

Untreated Wastewater

Water that has been used in homes, industries, and businesses that has not undergone any cleaning or purification process.

Environmental Impact Statement

A document prepared to describe the effects for proposed activities on the environment.

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An authorization given by a federal agency allowing the permit holder to conduct certain activities that are regulated at the national level.

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