Refer to the Above Diagram

Refer to the above diagram.Assume the initial demand for and supply of dollars is shown by D₁ and S₁.The exchange rate will be

A) ≤0.40 per dollar.
B) ≤0.50 per dollar.
C) $0.40 per pound.
D) JQ₃ pounds per dollar.
E) $0.50 per pound.