A Portion of a Simplex Tableau Is Give a Complete Explanation of the Meaning of the Z₁

Short Answer

A portion of a simplex tableau is $$\begin{array} { c c | c } && \mathrm { x } _ { 1 }\\\text { B asis } & \mathrm { C } _ { \mathrm { B } } & 20 \\\hline \mathrm { x } _ { 2 } & 25 & .2\\\mathrm {~s} _ { 2 } & 0 & 3\\\hline& \mathrm { z } _ { \mathrm { j } } & 5 \\& \mathrm { C } _ { \mathrm { j } } - \mathrm { z } _ { \mathrm { j } } & 15\end{array}$$ Give a complete explanation of the meaning of the z₁ = 5 value as it relates to x₂ and s₂.