. 5 , . . , . [19]. , . , . .
1. , , , .
2. Parker , 1000 , , . , . . , , .
3. R. J. Reynolds, , 300 . , . , , .
, .
905 . , . , , , . , , D. . 2.3.
2.3
,
t1 | t2 | ||
A | +11% | ||
B | -3% | ||
C | -5% | ||
D | 0% | ||
.
.
1. , .
2. .
3. , .
4. .
5. , , , , [20].
.
.
, . 2.4, [21]. , . , ( t1, ) . , ( t2, ). , , 93 , , A, 33 A B, 39 .
2.4
[22] ,
A (t2) | B (t2) | C (t2) | D (t2) | t1 | |
A (t1) | 93 (56%) | 33 (20%) | 39 (24%) | 0 (0%) | 165 (100%) |
B (t1) | 0 (0%) | 185 (82%) | 0 (0%) | 41 (18%) | 229 (100%) |
C (t1) | 0 (0%) | 0 (0%) | 165 (77%) | 49 (23%) | 218 (100%) |
D (t1) | 90 (30%) | 0 (0%) | 0 (0%) | 210 (70%) | 300 (100%) |
t2 |
. .
, . . . , , 70,0.
. 2.4 (. 6).
, . , D. , , , , . , , , - . , . , .
. 6.
: , , . , .
.
q : , , . , , . , , .
q , , - ( ).
q . , .
[23]: , . . , .
, , , , .
, . , . , [24]. , .