Sheridan Service has a line of credit loan with the bank. The initial loan balance was $$6000\mathrm{.}00.$ Payments of $$2000\mathrm{.}00$ and $$3000\mathrm{.}00$

were made after five months and seven months respectively. At the end of one year, Sheridan Service borrowed an additional $$3500\mathrm{.}00.$

Eight months later, the line of credit loan was converted into a collateral mortgage loan. What was the amount of the mortgage loan if the

line of credit interest was $9\%$ compounded monthly?

The amount of the loan is $

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