On July $14,$ Fat Tires Ltd$.$ borrowed $$8000\mathrm{.}00$ with an interest rate of $5\mathrm{.}7\%.$ The loan was repaid in full on December $20,$ with payments of $$2600\mathrm{.}00$ on September $19$ and $$3200\mathrm{.}00$ on November $1.$ What was the final payment?

The final payment was $

$($Round the final answer to the nearest cent as needed. Round all intermediate values to six decimal places as needed.$)$please help