Alia's effective federal tax rate is $17\%.$ Last year, she was able to reduce taxable income by contributing $$250\mathrm{.}00$ per semi$-$monthly paycheck to her tax $-$deferred retirement account and $$72\mathrm{.}07$ per semi$-$monthly paycheck to her flexible spending account. How much did she reduce her federal taxes by if her gross semimonthly pay is $$2,819\mathrm{.}96?$