Suppose that the current money market equilibrium has an interest rate of 5 percent and a quantity of $2 trillion. Suppose that at a 6 percent interest rate, the quantity of money demanded is $1.5 trillion, while at a 4 percent interest rate it is $2.5 trillion. If the Fed makes an open-market purchase of $50 billion, and the money multiplier is 10, what will be the new money market equilibrium?
a. An interest rate of 6 percent and a quantity of $1.5 trillion.
b. An interest rate of 5 percent and a quantity of $2 trillion.
c. An interest rate of 4 percent and a quantity of $2.5 trillion.
c. none of the above