# Question: Solve the linear programming model formulated in Problem 16 for

Solve the linear programming model formulated in Problem 16 for United Aluminum Company graphically.

a. How much extra (i.e., surplus) high-, medium-, and low-grade aluminum does the company produce at the optimal solution?

b. What would be the effect on the optimal solution if the cost of operating mill 1 increased from $6,000 to $7,500 per day?

c. What would be the effect on the optimal solution if the company could supply only 10 tons of high-grade aluminum?

a. How much extra (i.e., surplus) high-, medium-, and low-grade aluminum does the company produce at the optimal solution?

b. What would be the effect on the optimal solution if the cost of operating mill 1 increased from $6,000 to $7,500 per day?

c. What would be the effect on the optimal solution if the company could supply only 10 tons of high-grade aluminum?

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