$c_j$

−2

−3

−4

0

0

${\theta }_i$

$C_B$

$X_B$

b

$x_1$

$x_2$

$x_3$

$x_4$

$x_5$

−2

$x_1$

3

1

2

1

−1

0

3/2

0

$x_5$

2

0

5^*

−1

−2

1

2/5

${\sigma }_j$

0

1

−2

-2

0

−2

$x_1$

11/5

1

0

7/5

−1/5

−2/5

−3

$x_2$

2/5

0

1

−1/5

−2/5

1/5

${\sigma }_j$

0

0

−9/5

−8/5

−1/5