Critical Essay About: Saudi Arabia’s Currency and the U.S. Dollar

  
I need your help for writing essay (4 pages not including the cover page and references page)  
The topic as below:

While Saudi Arabia seeks to diversify its economy, the Saudi economy  is dominated by the petroleum sector. In addition, the Saudi Arabian  Riyal (SAR) is pegged to the U.S. Dollar.
In a critical essay, indicate the main considerations Saudi  Arabia faces from a currency perspective (e.g., currency values,  interest rates, inflation, and trade issues) that ensue given two  scenarios:

The first scenario is a dramatically declining world oil price.
The second scenario is a dramatically increasing world oil price.

Analyze the results you expect from each scenario.

 
Directions:
– Write an essay that includes an introduction paragraph, the essay’s    body, and a conclusion paragraph to address the assignment’s guide    questions. Do not address the questions using a question-and-answer   format. 
-APA style should be used
-Font will be: Times roman 12, and double space should be between lines
-At least three scholarly, peer-reviewed journal articles will be used as references (including the below one).

Required Reference:

* Duran, H. E. (2016). Exchange rate movements and its local effects: Turkey case. International Journal of Economics and  Financial Issues, 6(2), 442-449. 

* Ali, M. (2016). Global imbalances and asymmetric returns to US foreign  assets: Fitting the missing pieces of the US balance of payments puzzle. International Review of Applied Economics, 30(2), 167-187.

* Kumhof, M., & Yan, I. (2016). Balance of payments anti-crises. Journal of Macroeconomics, 48, 186-202.