in a mixed open economy equilibrium GDP is determined at the point:

A Sa+M+T=Ig+X+G

B where the 45 degree line and saving schedule intersect

C Sa+X+G=Ig+T

D Sa+ Ig+X=G+T

To conduct monetary policy central bank can only target:

A both the monetary base and inter bank offer rate simultaneously

B neither the monetary base nor inter bank offer rate

C either the monetary base or inter bank offer rate

D only the interest rate