on a tp curve the maximum efficiency of the marginal cost is reache just as the product is entering the introduction or growth or maturity or the decline stage?

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.

answer; no individual buyer or seller has any significant impact on the market price;

answer trochanter; i believe this is correct, plz check first, good luck;