Find the following using the given simplex tableau. (Write xj as xi.) X1 2 x3 S1 82 P x1 1 4 -1 1 00 82 0 -1 2 0 1 0 25 2 5 P 0 -3-5 -10 1 3 The basic variables are: x3 The non-basic variables are: X1 X2 X3 51 $2 P- Pivot row is Row Pivot column is Column