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See the following Management Scientist output. In this problem, we are trying to determine the optimal number of rolls of four types of fabric (1, 2,...
See the following Management Scientist output. In this problem, we are trying to determine the optimal number of rolls of four types of fabric (1, 2, 3, and 4) to produce. Note that the third constraint concerns the available quantity of a certain chemical resin used for each type of fabric, the fourth constraint concerns the available quantity of polyester, and the final two constraints are imposed to ensure that we will incur a $200 penalty if we produce at least 600 units of Types 2 and 4 (since this will require us to redeploy an additional production line).
- Which constraints are binding? (2)
_________
- Which constraint would we prefer to see relaxed? (2)
________
- Nora in Accounting realized that the profit associated with Type 1 fabric should be $8.00/unit. Will this have an effect on the optimal solution? (2)
Yes_____
No______
- If the availability of the chemical (third constraint) were 15,000, what effect would this have? (2)
None____
Increase the optimal profit______
Decrease the final profit______
LINEAR PROGRAMMING PROBLEM
MAX 6X1+7X2+4X3+7X4-200X5
S.T.
1) 1X1+1X2+1X3<1000
2) 1X3-1X4>20
3) 4X1+4X2+3X3+3X4<12000
4) 3X1+6X2+4X3+5X4<14000
5) 1X2+1X4-600X5>0
6) 1X2+1X4-380X5<600
OPTIMAL SOLUTION
Objective Function Value = 10660.000
Variable Value Reduced Costs
-------------- --------------- ------------------
X1 0.000 4.474
X2 0.000 4.000
X3 1000.000 0.000
X4 980.000 0.000
X5 1.000 0.000
Constraint Slack/Surplus Dual Prices
-------------- --------------- ------------------
1 0.000 10.474
2 0.000 -6.474
3 6060.000 0.000
4 5100.000 0.000
5 380.000 0.000
6 0.000 0.526
OBJECTIVE COEFFICIENT RANGES
Variable Lower Limit Current Value Upper Limit
------------ --------------- --------------- ---------------
X1 No Lower Limit 6.000 10.474
X2 No Lower Limit 7.000 11.000
X3 0.000 4.000 No Upper Limit
X4 3.000 7.000 No Upper Limit
X5 -1900.000 -200.000 0.000
RIGHT HAND SIDE RANGES
Constraint Lower Limit Current Value Upper Limit
------------ --------------- --------------- ---------------
1 620.000 1000.000 1566.667
2 -636.364 20.000 400.000
3 5940.000 12000.000 No Upper Limit
4 8900.000 14000.000 No Upper Limit
5 No Lower Limit 0.000 380.000
6 359.333 600.000 980.000