18 of 25 The primary functions of the U.S. Federal Reserve (central bank) is to O conduct monetary policy, promote stability of the financial system, and provide banking services to commercial banks...

I’m very confused on all three please help :)

Extracted text: 18 of 25 The primary functions of the U.S. Federal Reserve (central bank) is to O conduct monetary policy, promote stability of the financial system, and provide banking services to commercial banks and other depository institutions. O conduct fiscal policy, promote stability of the financial system, provide banking services to commercial banks and other depository institutions, and provide banking services to the federal government. O conduct fiscal policy, promote stability of the financial system, and provide banking services to commercial banks and other depository institutions. O conduct monetary policy, promote stability of the financial system, provide banking services to commercial banks and other depository institutions, and provide banking services to the federal govemment. 19 of 25 Monetary policy can be described as O the most influential decisions being made in economics. O the manipulation of interest rates and credit conditions by a nation's central bank. O a result of business investment and other types of spending money deposited into bank accounts. 20 of 25 Controlling the money supply allows the Federal Reserve to O influence government spending and taxes and therefore consumption and investment. O influence interest rates and therefore consumption and investment. O influence interest rates and therefore government spending and taxes. O influence government spending and taxes and therefore interest rates.