Pivot once as indicated in the given simplex tableau. Read solution from the result. X1 X2 Si N Sz 0 2 2 1 X3 3 1 4 S3 0 0 300 4 0 1 200 1 4 0 0 0 1 0 1 800 7 -3 0 0 -4 -2 0 0 0 0 Pivot from highlighted X1 X3 51 S2 S3 Z X2 2 0 0 1 0 0 0 0 0 0 0 1