You discover an antique in your attic that you purchased at an estate sale $10$ years ago for $$400.$ You auction it

on Ebay and receive $$8,000$ for your item. What annual rate of return did you earn?

A$)34\mathrm{.}93\%$

B$)30\mathrm{.}47\%$

C$)200\mathrm{.}00\%$

D$)20\mathrm{.}00\%$