The Westfall Company Has a Contract to Produce 10,000 Garden

The Westfall Company has a contract to produce 10,000 garden hoses for a large discount chain.Westfall has four different machines that can produce this kind of hose.Because these machines are from different manufacturers and use differing technologies,their specifications are not the same.
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$$\begin{array} { c c c c } \text { Machine } & \begin{array} { c } \text { Fixed Cost to Set } \\\text { Up Production Run }\end{array} & \begin{array} { c } \text { Variable Cost } \\\text { Per Hose }\end{array} & \text { Capacity } \\\hline 1 & 750 & 1.25 & 6000 \\2 & 500 & 1.50 & 7500 \\3 & 1000 & 1.00 & 4000 \\4 & 300 & 2.00 & 5000\end{array}$$
a.This problem requires two different kinds of decision variables.Clearly define each kind.
b.The company wants to minimize total cost.Give the objective function.
c.Give the constraints for the problem.
d.Write a constraint to ensure that if machine 4 is used,machine 1 cannot be.

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a. Let the number of hoses pr...

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