Utilize the demand-supply fundamental model to illustrate the changes in the value of the Egyptian pound (EGP) against the U.S. dollar (USD) in the past few years. In your answer, try as much as possible to distinguish between the demand-side factors and the supply-side factors as discussed in class. Finally, show how the intervention by the Central Bank of Egypt (CBE) at some point has led to the creation and deepening of the "Black Market".