4. How would each of the following events affect the quantity demanded and quantity supplied schedules in practice problem 1? Indicate whether the numbers in the schedules would increase or decrease and the resulting increase or decrease in the equilibrium exchange rate. Then show how each event would affect the numbers in each of the categories in practice problem 3.

a. A U.S. manufacturer moves a factory from New Jersey to Egypt.

b. Hilton builds a new 150-room hotel in Cairo.

c. The United States removes its tariff on Egyptian cotton.

d. Egyptian citizens working in the United States send part of their income back to Egypt.