Use the following simplex tableau. xy S1 S2 7 0 0 59 -3 1 0 130 -8 0 1 71 $1 S₁ = (a) State the value of each variable. x = 0 X y = 59/2 0 $2 $₂ 1 2 0 4 06 = 12 P = -106 y $1 $2 P X X x X State whether the variables are basic or non-basic. basic basic basic P constant x non-basicX non-basic v

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