The Reserve Requirement Ratio Is 10 Percent

The reserve requirement ratio is 10 percent.Which of the following pairs of changes would both allow a bank to lend out an additional $10,000?

A) the Fed buys a $10,000 bond from the bank or someone deposits $10,000 in the bank
B) the Fed buys a $10,000 bond from the bank or the Fed lends the bank $10,000
C) the Fed sells a $10,000 bond to the bank or someone deposits $10,000 in the bank
D) the Fed sells a $10,000 bond to the bank or the Fed lends the bank $10,000