If the income elasticity of money demand and the Keynesian multiplier, both increase in an economy (ceteris paribus), how will the relative effectiveness of monetary and fiscal policy change?

(A) Fiscal policy will become relatively more effective than monetary policy
(B) Fiscal policy will become relatively less effective than monetary policy
(C) The relative effectiveness of fiscal and monetary policy will remain unchanged
(D) Both fiscal and monetary policy will become more effective.