Given the fallowing simplex table, identify the initial entrance pivot

QUESTION 3 Dado la tabla inicial simplex, dentifique el pivote de entrada inicial X2 SiS2 S3 Z 0.9 04 i O 0.3 0.3 0 i Q Q:5Q9 -0.08-0.10 0 o o o 0 4,300 0 4,500 Q A,RQQ