Answer:
a. adds $10,000 in bank reserves.
Step-by-step explanation:
Given that
Reserve requirement is 20%
Now if you want to pay back the loan of $10,000 so here the act of paying back the loan is that the amount of loan i.e. $10,00 would get added to the bank reserves
Therefore as per the given situation, the option a is correct
And, the same is to be considered
Thus, all the other options are incorrect