If the Federal Reserve Tightens Monetary Policy So That Real

If the Federal Reserve tightens monetary policy so that real interest rates increase and real GDP decreases,

A) tax revenues will decrease, decreasing the government's cash deficit, and increasing the full-employment deficit.
B) tax revenues will increase, decreasing the government's cash deficit, and decreasing the full-employment deficit.
C) tax revenues will decrease, increasing the government's cash deficit, but not changing the full- employment budget balance.
D) tax revenues will increase, decreasing the government's cash deficit, but not changing the full-employment budget balance.