15. .
15.1. 8281 .. 6% ; 470 ..; 520; 250; 157; 723; 605; 115 .. , , .
.
= = 8281 (8281*0,06) = 7784,14
= = 7784,14 ( ) = + = 7784,14 520 + 250 = 7514,14
= ()
= . . + + . = 7514,14 115 157 470 + 605 = 7377,14
= 7377,14 723 = 6654,14
15.2. 1800 .., 300; 600; 15% , 300, 6000 .. ?
.
= + + + + = 1800 + 300 + 300 + 600 + (6000*0,15) = 3900
15.3. (. . ) :
) ;
)
200
15
. 60
70
250
18
15
36
100
31
10
.
= + . + ( + ) + ( ) = 250 + 60 + (70 + 15) + (15 36) = 374
= + + ( ) + + + = 200 + 31 + 100 + 10 + 15 + 18 = 374
= = = 374 15 18 = 341
15.4. , 2 : ( ) ( ). 500 ( 2 ..) 20 ( 10 .). 5 .
:
) ;
) ;
)
)
.
= ∑P*Q = (500*2) + (20*10) = 1200
= = 1200 (- Y * ) = 1200 (5*10) = 1150
= Qx*Px = 500*2 = 1000
|
|
= Qy*Py = 20*10 = 200
= = 200 5 = 150
15.5. 5000 .. 3200 .., 900 ., 80 .. :
) ;
) , 350 ..;
) , 150 ..
.
= . + + + =>
= . = 5000 900 3200 80 = 820
= => = = 350 80 = 270
= = 5000 150 = 4850
15.6., 3 . ( ) 2 . ,
(1982 . - ).
.
Q0 P0.
Q1 P1.
= PL = (∑P1* Q0)/(∑ P0* Q0) = (15*10 + 24*6 + 425*3)/(10*10 + 27*6 + 655*3) = 1569/2227 = 0,704
= Pp = (∑P1* Q1)/(∑ P0* Q1) = (15*8 + 24*7 + 425*5)/(10*8 + 27*7 + 655*5) = 2413/3544 = 0,6808
= PF = (PL* Pp)0,5 = 0,6926
15.7.
.
(2009 ) Q0 P0.
(2010) Q1 P1.
= (300*1 + 150*4+50*8) / (200*1+100*3+60*6) = 1,5