Which one of the following techniques is an example of the replacement cost method of economic valuation?

How does the market mechanism distribute income?

As part of its zero interest rate policy (ZIRP), the Federal Reserve:

A. cut the reserve ratio to zero percent on all checkable and saving deposit accounts. B. lowered the discount rate to zero to 0.25 percent. C. lowered the interest rate paid on reserves held at the Fed to zero percent. D. used open-market operations to keep the federal funds rate between zero and 0.25 percent.