Arlene is single and has taxable income of $18,000. Her tax liability is currently $1,970 She has the opportunity to earn an additional $5,000 if she accepts and completes a special project at work. There are no additional expenses to offset the $5,000 income. Consequently, Arlene will have a tax liability of $2,570 if she accepts the special project. Arlene has a marginal tax rate of

12%

Explanation:

Calculation for marginal tax rate

Using this formula

Marginal tax rate=Change in Tax / Change in Taxable Income

Let plug in the formula

Marginal tax rate=(2,570-1,970)/5,000

Marginal tax rate=600/5,000

Marginal tax rate=0.12*100

Marginal tax rate=12%

Therefore Arlene has a marginal tax rate of 12%

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; conceptual skills;