. .
1
Kodak . , , 1880 . , 1888 . . . : , , , , , , . . . ʻ, , . , .
2
-, , , . 1898 . Lipton Tea, Ltd. . , . , XX . . 95% . Lipton . , , .
3.
, :
1 | 2 | 3 | |
, . | |||
1/30 | 1/20 | 1/10 |
:
.
(3.1), N , . ., d .
Q = N d (3.1)
Q1 = 3000 1/30 = 100 . .
Q2 = 1800 1/20 = 90 . .
Q3 = 1300 1/10 = 130 . .
, , .
1
, :
1 | 2 | 3 | |
, . | |||
1/10 | 1/20 | 1/10 |
|
|
2
, :
1 | 2 | 3 | |
, . | 175 000 | 84 000 | 50 000 |
1/14 | 1/15 | 1/20 |
3
, :
1 | 2 | 3 | |
, . | |||
1/8 | 1/5 | 1/10 |
4
, :
1 | 2 | 3 | |
, . | 60 000 | 100 000 | 44 000 |
1/3 | 1/5 | 1/8 |
5
:
1 | 2 | 3 | |
, . | 30 000 | 54 000 | 60 000 |
1/5 | 1/10 | 1/15 |