Consider a government with a positive stock of debt. If the growth rate of real GDP exceeds the real rate of interest on government bonds, then to keep the debt-to-GDP ratio constant the

agovernment must implement an expansionary fiscal policy.

(b) nominal interest rate must be constant.

(c)government must have a primary budget surplus.

(d)government must have a primary budget deficit.

(e) Both (A) and (D)