15%
(40)
(
80)
1 15 15%
~
4
812
45%
(60)
2 4 4%
4 8 8%
() 4 8 8%
2 4 4%
2 4 4%
2
8 8% 1
5 9 9%
10%
(20)
3 3 3%
1 1 1%
(2) (2
) (2)
6 6 6%
~
1
()
~
1
()
1 1 (1) (2) (3)
30%
(10)
1 10 10%
1 10 10%
()
1 10 10%
~
~
~
a)
b)
: