"PowerSurge, a company selling batteries in a monopolistically competitive market, collected the data below of revenues and costs. Assuming the firm is producing at the profit-maximizing level of output, calculate total profit for PowerSurge."

Since the firm is maximizing its profit, it is producing and selling 40 units at $30 per unit, resulting in a net profit of $440.

Explanation:

Sine there is no information, I searched for a similar question:

Q             Sales revenue        Total costs           Profit

10                      $450                $340                  $110

20                     $800                $480                  $320

30                     $1,050              $620                  $430

40                     $1,200              $760                  $440

50                     $1,250              $900                  $350

60                     $1,200              $1,040                $160

70                     $1,050              $1,180                -$130

80                     $800                $1,320               -$520

90                     $450                $1,460               -$1,010

answerinsider trading

answer: a. the kind of population living in your neighbourhood.

the census explorer data tool by the us census bureau allows the user to zoom in on any neighbourhood within the united states and find the kind of people residing in that by race and age.  

the tool needs to needs to be used twice – once in order to find what type of people reside in a neighbourhood, and then to see the age groups of the people in the same neighbourhood.