Question: Here is the initial Big - M non - tableau for a Maximization LP [ left [ begin { array } {

Here is the initial Big-M non-tableau for a Maximization LP \[\left[\begin{array}{ccccccccc} z & x_{1} & x_{2} & x_{3} & s_{1} & s_{2} & e_{3} & a_{3} & \text { rhs }\\\hline 1 & -10 & -8 & -4 & 0 & 0 & 0 & 1000 & 0\\0 & 12 & 0 & 1 & 1 & 0 & 0 & 0 & 120\\0 & 2 & 1 & 3 & 0 & 1 & 0 & 0 & 90\\0 & 25 & 17 & 20 & 0 & 0 & -1 & 1 & 24\end{array}\right]\] and here is the optimal tableau: \[\left[\begin{array}{ccccccccc} z & x_{1} & x_{2} & x_{3} & s_{1} & s_{2} & e_{3} & a_{3} & \text { rhs }\\\hline 1 & 6 & 0 & 20 & 0 & 8 & 0 & 1000 & 720\\0 & 12 & 0 & 1 & 1 & 0 & 0 & 0 & 120\\0 & 9 & 0 & 31 & 0 & 17 & 1 & -1

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