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Linear programming: Graphical solution

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A) Solve the problem graphically by providing the extreme points and the corresponding z values, and indicate the optimum solution. Also indicate how much extra cotton and processing time are left over at the optimal solution. Is the demand for corduroy met?
b) What is the effect on the optimal solution if the profit per yard of denim is increased from $2.25 to $3.00? What is the effect if the profit per yard of corduroy is increased from $3.10 to $4.00?
c) What will be the effect on the optimal solution if Irwin Mills could obtain only 6,000 pounds of cotton per month?

See attached file for full problem description.

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This posting contains solution to following problem on LPP using graphical method.

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