Your Big Brother Deposited $10,000 Today at 9% Interest for 6

Your big brother deposited $10,000 today at 9% interest for 6 years. You would like to have just as much money at the end of the next 6 years as your brother. However, you can only earn 7.5%
Interest. How much more money must you deposit today than your brother did if you are to have
The same amount at the end of the 6 years?

A) $398.68
B) $487.63
C) $575.00
D) $648.21
E) $866.96