QUESTION 1 0.5 points (Extra Credit) Save Answer On the SOLVER sensitivity repor

Question

QUESTION 1 0.5 points (Extra Credit) Save Answer On the SOLVER sensitivity report, the labor shadow price is $30, with an allowable increase of 8 and an allowable decrease of 8. The model attempts to optimize profit. Determine the impact to the overall profit if the manager increases the available labor by 4 hours. Input a negative value to indicate a decrease. Positive numbers to not require a"+"sign entry. Do not enter "$" sign QUESTION 2 0.5 points (Extra Credit) Save Answer A LP model shows zeros in the allowable increase and decrease columns of the constraint section in SOLVER's sensitivity report. What must be true? OA The model is not degenerate. OB. The model is degenerate. C. No conclusions can be made. D. The solution is unique. OE The solution is not unique and the model is degnerate

Explanation / Answer

Q1. Increase of 4 is within the allowable range of increase, which is 8 . Therefore, shadow price is valid. Total Profit will increase by 30*4 =  120

Q2. B. the model is degenerate

For a degenerate model, there is at least one non-zero deviation limit.

Q4. D. X is at the upper limit.

X>=5 is the binding constraint, which means if X is less than 5, it will give more favorable objective value. Therefore, X should be less than or at the most eqaul 5 and hence 5 is the upper limit.  

Q5. C. Solver was launched in the evolutionary mode.

Lagrange multiplier is used in nonlinear programs.  

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