In the wake of the 2008 financial crisis, the Fed engaged in a highly expansionary monetary policy, Quantitative Easing (QE). The Fed, in ensuing years, held $ 4.4 trillion worth of bonds. After this massive expansion of money, what prevented inflation from skyrocketing? a) Inflation is not caused by too much money in circulation. b) By paying interest on bank reserves deposited at the Fed c) Increasing legal reserve requirement rates. d) Increasing the interest rate charged to banks for loans extended by the Fed