Table :

TABLE 12-1 Profit for Noelle’s Farm When Market Price Is $18

Quantity of trees Q

Total revenue TR

Total cost TC

Profit TR − TC

0

     $0

 $140

-$140

10

  180

  300

 -120

20

  360

  360

    0

30

  540

  440

  100

40

  720

  560

  160

50

  900

  720

  180

60

1,080

  920

  160

70

1,260

1,160

  100