Say the reserve requirement is 20 percent. If you pay back a loan of $10,000 a bank had previously made to you, the act of paying back the loan: a. adds $10,000 in bank reserves.
b. eliminates $2,000 in bank reserves.
c. eliminates $10,000 in bank reserves.
d. adds S2,000 in bank reserves.

a. adds $10,000 in bank reserves.

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

the first successful, urban blues recording, selling more than 75,000 copies, was made in year 1920.

mamie smith recorded the first commercially successful example of the urban blues,   with the recording of “crazy blues”."crazy blues" was recorded on august 10, 1920, in new york city. within a month of the release of “crazy blues” it had sold 75,000 copies.

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