You start saving $$1200\mathrm{.}00$ at the end of every month for a Condo down payment for the next $5$ years. You earn $4\mathrm{.}25\%$ p$.$a$.$ compounded semi$-$annually on your savings.

How much interest did you earn?

Question $4$ options:

$80,000$

$8,034$

$7,989$

$7,901$