i

$Z_i$

$x_i$

${\phi }_i$

$O{A}_i$

$O{L}_i$

1

10

(2, 1)

10

10

2

3.0156

(0.875, 2.0313)

3.0156

3.0156

3

15

(0, 2.25)

15

15

4

6.9453

(0.3125, 2.1719)

6.9453

6.9453