Assume that the central bank sells government securities in the open market. If the nation has highly mobile international capital markets and a fixed exchange rate system, what happens to the real risk-free interest rate and net nonreserve-related borrowing/lending in the context of the Three-Sector-Model? State your answer after the macroeconomic system returns to complete equilibrium

a. The real risk-free interest rate remains the same and net nonreserve-related borrowing/lending balance becomes more positive (or less negative).
b. The real risk-free interest rate falls and net nonreserve-related borrowing/lending balance becomes more negative (or less positive).
c. The real risk-free interest rate rises and net nonreserve-related borrowing/lending balance becomes more negative (or less positive).
d. The real risk-free interest rate and net nonreserve-related borrowing/lending balance remain the same.
e. There is not enough information to determine what happens to these two macroeconomic variables.

.A