Suppose the Quantity Demanded for a Security Is B_D =

Multiple Choice

Suppose the quantity demanded for a security is B_D = 150 ? 0.1b,
And the quantity supplied of the security is
B_S = 50 + 0.1b,
Where b is the price of the security in dollars.Suppose that the supply curve shifts to
B_S = 75 + 0.1b.
The equilibrium quantity of the security

A) rises by 12.5.
B) rises by 2.5.
C) falls by 2.5.
D) falls by 12.5.