Question

In: Statistics and Probability

Must Solve Using Graphical method and substitution A company is producing two types of furniture. Product...

Must Solve Using Graphical method and substitution

A company is producing two types of furniture. Product A requires9 board feet of wood and 3 lbs of wicker. Product B requires 7 board feet of wood and 5 lbs of wicker. There are 6000 board feet of wood available for the product and 2000 lbs of wicker. The time to assemble product A is 2.8 hours and product B is 5.0 hours. You have no more than 880 hours planned for production. The company has order equal to 50 units of product B. Product A earns a profit margin of $45 a unit and Product B earns a profit margin of $52 a unit.

In the space provided, write the objective function and the constraints.

Solve it using the graphical and substitution method.

a. What is the value of the objective function?

b. What is the value of Product A?

c. What is the value of product B?

d. If the company finds more hours for production, should they use them?

Round your answers to 2 decimal points.

Solutions

Expert Solution

Product A B
Decision variables 225 50
Profit 45 52
Wood 9 7
Wicker 3 5
Time 2.8 5
Objective Function = 12725
Constraints
Wood 2375 <= 6000
Wicker 925 <= 2000
Time 880 <= 880
Product B >= 50 50 >= 50

a) Value of objective function is 12725

b) Value of product A is 225

c) Value of product b is 50

d)

Final Reduced Objective Allowable Allowable
Cell Name Value Cost Coefficient Increase Decrease
$F$4 Decision variables A 225 0 45 1E+30 15.88
$G$4 Decision variables B 50 0 52 28.35714286 1E+30
Final Shadow Constraint Allowable Allowable
Cell Name Value Price R.H. Side Increase Decrease
$F$13 Wood = 2375 0 6000 1E+30 3625
$F$14 Wicker = 925 0 2000 1E+30 1075
$F$15 Time = 880 16.07142857 880 1003.333333 630
$F$16 Product B >= 50 = 50 -28.35714286 50 126 50

Since the shadow price for time is 16.07, it means that optimal value from object function will increase by 16.07 for each unit of hour increases.


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