Basic

Z

S$1$

S$2$

S$3$

Z

$1$

$0$

$0$

$0$

X$1$

$-7$

$1$

$2$

$4$

X$2$

$-8$

$2$

$-1$

$.-2$

X$3$

$3$

$2$

$1$

$1$

X$4$

$-5$

$4$

$2$

$-1$

S$1$

$0$

$1$

$0$

$0$

S$2$

$0$

$0$

$1$

$0$

S$3$

$0$

$0$

$0$

$1$

For this minimization problem, which variable should be entering as basic variable in the next iteration?

RHS

$0$

$40$

$8$

$10$

$0$a$.$ X$2$

Ob$.$ X$3$

OE X$4$

od xt