Question: Consider the following Linear Programming problem, in which X and Y denote the number of units of products X and Y to be produced, respectively,
Consider the following Linear Programming problem, in which X and Y denote the number of units of products X and Y to be produced, respectively, and Z denotes the overall resulting profit
Objective Function
Maximize Z = $4X + $5Y
Subject To
X + 2Y 10 (labor available, in hours)
6X + 6Y 36 (material available, in pounds)
8X + 4Y 40 (storage available, in square feet)
X, Y 0
The Excel Sensitivity Report for this problem is given below. Answer the following questions and provide calculations of your answers. Each question is independent of the others.
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| Cell | Name | Final Value | Reduced Cost | Objective Coefficient | Allowable Increase | Allowable Decrease |
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| $C$5 | X | 2 | 0 | 4 | 1 | 1.5 |
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| $D$5 | Y | 4 | 0 | 5 | 3 | 1 |
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| Constraints |
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| Cell | Name | Final Value | Shadow Price | Constraint R.H. Side | Allowable Increase | Allowable Decrease |
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| $E$7 | Labor | 10 | 1 | 10 | 2 | 2 |
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| $E$8 | Material | 36 | 0.5 | 36 | 4 | 6 |
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| $E$9 | Storage | 32 | 0 | 40 | 1E+30 | 8 |
(A) How much excess labor and storage capacity there are in the optimal solution? Provide your answers in numerical digits only. Approximate to two decimal digits if needed. ANSWER: Excess Labor = ----Hours ANSWER: Excess Storage = ------Square Feet (B) How does the total profit change if you give up 1 hour of labor and get additional 1.5 pounds of material? ANSWER: The profit would----- by $----- (C) How does the total profit change if you decided to introduce a new product that has a profit contribution of $2 per unit, given that each unit of this product will use 1 hour of labor, 1 pound of material, and 2 square feet of storage? ANSWER: The profit would------by $ -----.
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