Maurice has a mortgage of $$594,000$ through his bank for property purchased. The loan

is repaid by end of month payments of $$4,192\mathrm{.}44$ with an interest rate of $6\mathrm{.}61\%$

compounded monthly over $23$ years. What is the interest included in the $39$th payment

of the mortgoge? Enter a POSITIVE VALUE rounded to two decimal places.