Which of the Following Best Describes What Occurs When Monetary

Which of the following best describes what occurs when monetary authorities sell government securities?

A) There is a decrease in the size of commercial banks' excess reserves, the money supply increases, and interest rates fall, thereby causing a decrease in investment spending and real GDP.
B) There is a decrease in the size of commercial banks' excess reserves, the money supply decreases, and interest rates rise, thereby causing a decrease in investment spending and real GDP.
C) There is a decrease in the size of commercial banks' excess reserves, the money supply decreases, and interest rates rise, thereby causing an increase in investment spending and real GDP.
D) There is an increase in the size of commercial bank reserves, the money supply increases, and interest rates fall, thereby causing an increase in investment spending and real GDP.