Which of the following best illustrates deciding how to produce a specific product? should we produce jeans with expensive machinery or less expensive labor? can we market our jeans to teenagers or focus on people in their twenties? do we have enough customer support to charge more for our jeans? are jeans still "in," or should we develop a line of skirts instead?

Should we produce jeans with expensive machinery or less expensive labor.

Explanation: The first option a, Should we produce jeans with expensive machinery or less expensive labor is a question about how the good should be produce (how to produce). Others options are related to how you should market the goods or who should your demography be. Thus, the first option is correct.

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.