If the quantity demanded of sunglasses decreases by 2% when average incomes fall by 10%, then we know that sunglasses are a) an inferior good. b) a normal good. c) a Giffen good. d) perfectly elastic.

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; exemplars;

answerproduct line length; product mix width;

answernet income for 2017 will be greater if the inventory quantity declines;