The type of analysis that shows the percentage that each item in a financial statement is of some significant total such as total assets or sales is called:

The correct answer is: Vertical Analysis.

Explanation:

In Vertical Analysis each line item is presented as a percentage of gross sales. On the Balance Sheet, each line item in the Assets section is presented as a percentage of total assets. In the Liability and Equity section, each line item is presented as a percentage of total liabilities and equity which, based on the accounting equation, is equal to Total Assets. Vertical Analysis is mostly used on the Income Statement.

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.