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The Waygate Corporation makes five different types of metal casing for personal computers. The company is in the process of replacing its machinery with three
The Waygate Corporation makes five different types of metal casing for personal
computers. The company is in the process of replacing its machinery with three dif
ferent new models of metal stamping machines: the RoboI, RoboII and RoboIII.
The unit costs of each machine are $$ and $ respectively. Each
machine can be programmed to produce any of the five casings. After the machine
is programmed it produces each type of casing at the following rates:
The company has the following goals:
Goal : To spend no more than approximately $ on the purchase of new
machines
Goal : To have the ability to produce approximately units of type casings
per hour
Goal : To have the ability to produce approximately units of type casings
per hour
Goal : To have the ability to produce approximately units of type casings
per hour
Goal : To have the ability to produce approximately units of type casings
per hour
Goal : To have the ability to produce approximately units of type casings
per hour
a Formulate a GP model for this problem. Assume all percentage deviations from
all goals are equally undesirable.
b Implement your model in a spreadsheet and solve it
c What is the optimal solution?
d What is the solution that minimizes the maximum percentage deviation from all
the goals?
e Assume that the company can spend no more than $ What is the solution
that minimizes the maximum percentage deviation from all the remaining goals?
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