: 1) 2100;2) 62% , ..29% ;38% , .. 19% 2
:
| , . | , . . | , . . | |
| 7 | 14200 | 50000 | 80000 |
12 . .
:
1. , :
- ;
-
- ( );
- ;
-
2. .
3. , ().
:
= *
;
;
.
= /( .)
;
. .
= .
;
.
= /
.
= /
=
.
1) = 12000*14200 = 170400 . .
= 50000/ (12-5,6) = 781250 .
= 170400-80000 = 90400 . .
= 90400/170400 = 0,53
= 50000/0,53 = 94339 . .
= 170400-94339 = 76061 . .
=170400-130000=40400 . .
=94339 .., .. 94339 . . . .
= 76061 . .-45% , , 45%- .
2)
3) , .
: =170400 . .,=40400 .., =781250 ., =94339 .. =76061 ..
3.
4000 . . 10 . . 12000 . ., 20000 . .
:
1.
( ).
2.
. , ?
3.
3000 .
4.
, 4 . .
5.
, 5%
6.
?
|
|
|
7.
.
:
1)=4000*10=40000 ..
=12000(10-5)=2400 ..
=40000-20000=20000 . .
=40000-12000-20000=8000 . .
=20000/40000=0,5
=12000/0,5=24000 . .
=40000-32000=8000..
2) =/
=20000/8000=2,5%
2,5 % 1%
3) = 3000*10=30000 . .
= 30000-15000( 75%, 75%)-12000=3000 ..
4)=12000/(10-4)=2000 ..
400 ..
5)=(4200*10)-12000-20000=10000 ..
6) .
7)
4
, :
1.
()-20%; ()-15%; ()-25%
2.
, . . :
| 9 | .. % | - ,% | |
| 60 | 55 | 20% | |
| 20 | 18 | 15% | |
| 30 | 27 | 25% | |
| 110 | 100 |
:
=ƩCi*Yi
=20*0,55+15*0,18+25*0,27=11+2,7+6,75=20,45%
: 20,45% 5
12% ( ). , 3 60 .
:
S=P*(1+I)n
S-
P-
i-
n- ,
=S/(1+i)n
P=60000/(1+0.12) 3=42708
: 42708 . 6
(, , ) 250000 , , 17%
: P=S/(1+i)n
n=3
i=17%
S=250000
P=25000/(1+0.17)3=15609 .
