When the Fed raises the federal funds rate, other O A ) interest rates rise, consumption, investment and net exports increase, and the aggregate demand curve shifts rightward. O B ) interest rates fall, consumption, investment and net exports decrease, and the aggregate demand curve shifts leftward. Oc) interest rates fall, consumption, investment and net exports increase, and the aggregate demand curve shifts rightward. O D) interest rates rise, consumption, investment and net exports decrease, and the aggregate demand curve shifts leftward