!"#!$%"%
%&
" '%!(( %(%$(%
%
)
$$*
+
$+P→A
)
$( ( )
$
!+ ,%-%. /
+
7
6!$
!*
-%/
-%. /
1
-2%/
$
-2%. /
1
-%/%-%/
-%/%-%. /
1
0
0
3
4
5$*6
" ($
!$
((8
!
7
!$
!1
!*
≠
1
$
(
≠ $
9:9$%
$9:$
*
1
!$*+
3$
,9
9:$
$
"91
$1
)$ 1
!"$
+
!$
"
"; 9+
+$((
$
!"$
+
!$
"
$ %%$% %$
,$ %
$$%%
%%0
((66
%%(1%
%1, %0
21
3
)9
;?
;?
!)3
!)3
.66
"66
<%%%%1 (%=!%0
66
.66
>66
+3
B9
(
$
)
$ $
+$
9
( 9
21
3
)9
((66
;?
;?
!)3
!)3
.66
A"
@
A"
@
21
3
)9
((66
;?
;?
!)3
!)3
.66
A"
@
A"
@
"66
"66
@
@
@
@
66
66
.66
.66
>66
>66
+3$
%
> $
B$
21
3
)9
((66
;?
;?
!)3
!)3
.66
A"
@
A"
"66
@
@
@
66
A"
A"
"C3
+)
(
$
%
,$
21
3
)9
((66
;?
;?
!)3
!)3
@
.66
A"
@
A"
@
@
"66
@
@
@
@
@
66
A"
A"
"C3
@
.66
.66
A"
A"
A"
@
>66
>66
+.
9:$
B6
)
21
3
)9
((66
;?
;?
!)3
!)3
.66
A"
@
A"
@
"66
@
@
@
@
66
A"
A"
"C3
@
.66
A"
A"
A"
@
>66
A"
@
@
@
; ((%%%%
>
C+
! ((%
%*% %
>
D
$
16
1+
E
F
3E
E
!E
@$$
$
;(1$(
+
$9
C>($9
=>(
? >(
(
)2">.3<"@G="@)#&
+%* %($%9( *
$
←H?!#%&
)
$
($
"
(
,
#9&
3
#
"
>
3$ 1
3C!">";"I>="@)#&
+%$>
$";"I><??C>="@)#-/&
$$$%"
$$$&
$$$'
←3@)"!")>3@!?)#&
←?">C)D#%&
←?">)3@-/
7 1$
"
$
$)
)1"
C
1
D
D$$
⇒()
";"I>="@)>73)D>))"#&
+%$>
%$
%
←?!.)">))"#%%&
←?">C)D#%&
←?">)3@-/
)
1
) C8$$+$1
3$9(1
9 (
)
($$
*
$*$
(
$$ ? $#*
$&#&(
3+
(%
($
(
(1
$
>
(
$
A9
$
(
$
1
)
$
($
1
+
$
$(1$
($9$
+
(
+
$
9
"99
!
9:9$
) $"
((%%%%%
) $
$9%($9%(% (