- (0)
: , , . .
""
= 300
= 1
= 20
= 200
= 2 . .
= 1 . .
() = 1 .
= 100
()
(20%) = 150
!!
: - 300, -500( ),-1 ,-2 , . . , , . .
:
. . . : , , , 15% , . , .
, . . - . . !
...
-
— , , . . .