Suppose That a Change in the Fiscal/monetary Policy Mix Shifts

Suppose that a change in the fiscal/monetary policy mix shifts the IS and LM curves downward by exactly the same amount.The ________ in national saving is accompanied by ________ domestic investment due to the ________ in the interest rate.

A) fall,equally lower,lower
B) fall,unchanged,unchanged
C) rise,unchanged,unchanged
D) rise,equally higher,lower
E) rise,equally lower,higher