,
.
.
:
-
-
1
...
21
22
23
24
25
26
27
28
29
30
31
32
33
...
52
-
( 2.1)
(Profitability ratios)
(2),
2, (2)
( 2.2)
- ,
12 .
() ,
, ,
2
, (2),
26302-93. .
,
[1]
1
...
21
22
23
24
25
26
27
28
29
30
31
32
33
...
52
: