Question: if this solution isn't optimal, show the optimal solution. 60 50 O O Basic 45 50 0 o X, u Si S S S4 d

if this solution isn't optimal, show the optimal solution.

60 50 O O Basic 45 50 0 o X, u Si S S S4 d Variables Quanity & 0 20 o 2 o 0 Si 1 0 A 50 X4 15 o 0 0 1 0 ) A 60 a 12 ) / 0 1 10 0 0 0 S4 45 0 0 8 6 0 - 6 O 1 N 1,470 60 30 0 0 50 50 6 o 20 45 o O 0-506 SjZj 3. The following is a simplex tableau for a linear programming problem: 60 50 45 50 0 0 0 0 Basic Variables * X2 3 *4 $1 $2 $3 $4 0 0 1 0 0 0 0 0 1 0 50 Quantity 20 15 12 45 0 0 0 1 1 0 $1 X4 X1 $4 0 60 1 1/2 0 0 0 0 1/10 0 0 0 0 8 6 0 -6 0 1 2. 1,470 60 30 0 50 0 50 6 0 G-2 0 20 45 0 0 --50 -6 0 0 a. Is this a maximization or a minimization problem? b. What are the values of the decision variables in this tableau? c. What are the values of the slack variables in this tableau? d. What does the g - z; value of 20" in the x2" column mean? e. Is this solution optimal? Why? If the solution is not optimal, determine the optimal solution

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