Starting on July $1,2000,$ Peter borrows $$8,600\mathrm{.}00$ each year for $4$ years from his dear Aunt May to pay for college. $($Note: the last date that he borrows money is July $1,2003.)$ From the beginning. Aunt May agreed to defer all interest on the loans until Peter finds a job; $1,$e$.$ Peter's loans will not accumulate any interest until the first day he starts working. After that, Peter will be charged $8,4$ percent compounded semiannually, and he will pay Aunt May back with $12$ equal semilannual payments, the first coming $6$ months after he starts his job. Peter finds a job as a photographer for a local newspaper, and his first day of work is July $1,2004.$ For tax reasons, Peter needs to compute the total amount of interest that he will pay to Aunt May in the year $2007.$ How much in interest did Peter actually pay in $2007?$

Answer $=$

Note: Your answer should include a dollar sign and be accurate to two decimal places$)$