English
中文
$120
$300
$90
$120
$90
$110
$400
$610
$320
$120
$40
$300
$90
$220
$120
?
?
?
?
maximize
r
L
x
L
+
r
H
x
H
subject to
x
L
+
x
H
≤ 90,
0 ≤
x
L
≤ 50,
0 ≤
x
H
≤ 50.
x
H
*
=50,
x
L
*
=40
λ
*
=
r
L
100%
3
3
$0
—