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5.




67. ? ?

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68. ?

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( )

69. Q(K, L) = 8 + 10L2. :

) ;

) ;

) ;

) .

70. 1000 1690 . 30%, 30% 25%, :

) ; ) 30%;
) 69%; ) 25%.

71. X Y 4. , 2 , Y:

) 2 ; ) 1/2 ;
) 8 ; ) .

72. , (L) (), MPL = 2; = 5; PL = 1; = 20; MR = 3. , :

) , ;

) , ;

) , ;

) , .

73. - 10 ., -20 . , :

) 2; ) 1/2; ) 30; ) 20.

( )

74. , , ? , ?

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6.

75. , , . . ?

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76. . ?

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77. , ( ):

- 150 . .;

10 . .;

20 . .;

70 . .;

200 . .;

- 3 . . ( - 10 , );

10 . .;

2,5 . . .

, , 500 .?

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78. :

TC = q 3 - 4 q 2 + 10 q + 18.

, (, q) :

) ;

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) .

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79. : Q =3, ? .

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( )

80. , , , , , .

81. 2000 2200, 20%. 20%, 25%. :

) , ;

) ;

) ;

) , .

82. . :

) ;

) ;

) ;

) .

83. () (L), MPL = 16, 10, PL = 4, PL=3. , :

) ;

) ;

) ;

) .

84. 500 . , 200, 400 300 . . . , 10% . :

) 500 . .; ) 100 . .;
) 400 . .; ) 350 . .

85. :

) 100 110
) 150 200
) 120 150
) 200 240

( )

86. ? - ? ?

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87. , ? , () , ?

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88. : , ? ?

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