Machines A,B,C,and D have been in use for several years,while machine E is new.The following table provides data on the value of production of each job when performed on a specific machine.
a.Determine the set of assignments that maximizes production value.
b.What is the total production value of your assignments?
c.Which machine should be retired (i.e. ,gets no assignment)?
d.If they do retire one machine,will they be as profitable without it as with it? Explain. 
Definitions:
Demand Uncertainty
The degree of unpredictability or variability regarding customer demand for a product or service, often affecting inventory management and supply chain planning.
Performance Level
A measure of an individual, organization, or system's efficiency, effectiveness, and ability to meet its goals.
Excess Capacity
Refers to the situation where a firm or economy can produce more goods or services than currently produced due to available resources not being fully utilized.
Efficiency
The extent to which time, effort, or cost is well used for the intended task or purpose within supply chain processes.
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